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GEEKOM IT15 (Core Ultra 9 285H) vs MINISFORUM UM890 Pro

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Product A: GEEKOM

IT15 (Core Ultra 9 285H)

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B

Product B: MINISFORUM

UM890 Pro

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Only differences

AGEEKOM IT15 (Core Ultra 9 285H)

BMINISFORUM UM890 Pro

General

4 of 9 differ

Series

IT Series2Maker product pageservice.geekompc.com/it15Read 15 October 2026The support site files the IT15 under its IT Series category.

EliteMini2Maker product pageminisforum.com/products/minisforum-um890-proRead 16 October 2026The overview heading is MINISFORUM EliteMini UM890 Pro. The manual cover says New Gen ELITEMINI Computer.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

IT155Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Cover: Applicable model IT15, user manual revision 1.0, June 2025.

UM890Pro31US1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026The store variant data gives UM890Pro31US for AMD Ryzen 9 8945HS with 32GB RAM (4800MHz) and 1TB SSD. This file describes that configuration. The barebone is UM890Pro00US, the 32GB and 512GB model is UM890Pro35US and the 64GB and 1TB model is UM890Pro61US.

GTIN / EAN

Not available

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

19 December 20243Press releaseprnewswire.co.uk/news-releases/geekoms-high-performance-mini-pcs-will-shine-at-ces2025-302333554.htmlRead 15 October 2026GEEKOM press release of Dec. 19, 2024 names the IT15 as a CES 2025 show product with up to a Core Ultra 9 285H, dual-channel DDR5-5600 RAM, dual SSD slots and an SD card reader.

Not available

Status

Available1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026The US store page shows add to cart options and a US local inventory badge. The page was updated on 13 October 2026.

Available1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026The US store page shows add to cart. The maker's global page lists the US variants as sold out at the time of reading.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$1,1998Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Price section (review published 21 July 2025): the IT15 starts from around $1199 in the US and the reviewed 285H, 32 GB, 2 TB version is the top configuration. PCWorld's teardown says it retails for around $1,199.99. Treated as US list price, tax not included. The review does not call it a launch MSRP.16Reviewpcworld.com/article/2915165/whats-in-a-1k-mini-pc-watch-us-tear-down-the-geekom-it15.htmlRead 15 October 2026Teardown text says the IT15 retails for around $1,199.99. It does not name the configuration beyond the Arrow Lake Core Ultra 9 and up to 2 TB.

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

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MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

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ColoursiThe maker's own colour names

Black1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Page: sleek matte-black chassis. TechRadar also lists Black.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Price table lists the 32GB, 2TB version in Black.

Not available

SegmentiUse the maker's product category. Do not assign a use case from performance or appearance alone.

Mini PC1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Sold in the maker's Mini PC range.

Mini PC2Maker product pageminisforum.com/products/minisforum-um890-proRead 16 October 2026The maker files it under Elite Mini PC in its Mini PC range. The US store tags it mini pc.

Form factoriThe maker's stated chassis class. Generic tower does not imply a full, mid or mini tower tier.

Mini PC1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026

Mini PC2Maker product pageminisforum.com/products/minisforum-um890-proRead 16 October 2026The maker calls it a mini PC.

Case

5 of 10 differ

Case dimensionsiChassis width, height and depth in the stated orientation. Source notes identify feet, handles or brackets excluded by the maker. An all-in-one is measured with its included stand when the maker gives both sizes.

Width117Height45.5Depth112mm(4.6 × 1.8 × 4.4 in)1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: 4.61 x 4.41 x 1.79 inches with the rubber feet, which is 117 x 112 x 45.5 mm. The page does not name the axes. Height is the smallest value. Width and depth follow the order on the maker's support page.2Maker product pageservice.geekompc.com/it15Read 15 October 2026Form Factor row: 117 x 112 x 45.5 mm with rubber foot.

Width130Height66.6Depth127mm(5.1 × 2.6 × 5 in)3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Product Dimension 130mm*127mm*66.6mm. The maker gives no axis labels. The width 130 and depth 127 order matches Heise's listing. Heise lists a 60.6mm height and Liliputing 67mm. The maker figure is stored.8Spec databasepreisvergleich.heise.de/minisforum-um890-pro-a3808414.htmlRead 16 October 2026Heise price comparison lists 130x60.6x127mm (BxHxT), which confirms width 130 and depth 127 but gives 60.6mm for the height. It also says Bluetooth 5.3 and lists a VESA bracket for 75x75 and 100x100. No VESA pattern is stored.

Case volumeiVolume published by the maker. It may differ from the outer dimensions multiplied together.

0.46L1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Page text: chassis measuring just 0.46 liters. Width times height times depth gives about 0.60 liters, so the maker figure is stored as published.

Not available

WeightiPublished system weight for the stated configuration. Source notes distinguish maximum, approximate and starting weights. An all-in-one is weighed with its included stand when the maker gives both weights.

0.595kg(1.3 lb)8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Design section: weighs 595 g. Neowin reports 593 g. Retailer weights near 2 kg include packaging.15Reviewtomsguide.com/computing/desktop-computers/mini-pcs/geekom-it15-reviewRead 15 October 2026Specs table: 1.31 pounds (0.593 kg), close to TechRadar's 595 g.

0.7075kg(1.6 lb)3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Net Weight 707.5g. The packed weight is 1.835 kg.

Case model

Not available

Not available

Case materialsiPublished materials of the enclosure and panels, not every internal component. An edition with other panels, such as a wood front, can differ, so it is per variant.

Plastic1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Page: the upper cover and outer middle frame are PC+ABS. The middle frame and bottom cover are full metal, but the metal is not named, so only plastic is stored.

Aluminium, Plastic6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Black aluminium case with a detachable plastic top and a plastic bottom.

Side panel

Not available

Not available

Front panel

Not available

Not available

Tool-less side paneliWhether the side panel can be opened without a tool after any shipping or security screw is removed. Conditions belong in the source note.

Not available

Yes4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 21: the top cover opens first. Reaching the memory and SSD then needs a screwdriver for the cover plate screws. Liliputing and ServeTheHome describe the outer top cover as magnetic.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026The top is held by strong magnets and lifts off by hand. The plastic tray under it is held by four corner screws.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026The user-serviceable parts are on top and the first step is removing the magnetic top cover.

Dust filters

Not available

Not available

VESA mount

Not available

Not available

Display

None of 6 known

Screen sizeiActual diagonal of the primary built-in all-in-one display. Do not substitute a rounded marketed size. External bundled monitors and chassis status screens are excluded.

Not available

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Native resolutioniPhysical pixel resolution of the primary built-in all-in-one display. External video-output limits, bundled monitors and chassis status screens do not qualify.

Not available

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Panel typeiPublished panel technology of the primary built-in all-in-one display. A display brand name alone does not establish panel technology. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Max refresh rateiHighest published refresh rate of the primary built-in display at native resolution. External video-output limits do not qualify.

Not available

Not available

TouchscreeniPublished touch-input support of the primary built-in display. A touchscreen status panel does not qualify.

Not available

Not available

Brightness (SDR, claimed)iManufacturer ordinary brightness rating of the primary built-in display. Preserve published conditions in source notes. Not HDR peak, outdoor peak or a reviewer measurement.

Not available

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Motherboard

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Motherboard

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Chipset

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Motherboard form factoriMotherboard dimensions class, not the size of the computer case.

Not available

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CPU socket

Not available

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Expansion slotsiPhysical card slots and WLAN M.2 slots. Storage M.2 slots belong in storage_slots. Mechanical slot shape and electrical lane width are separate.

AGEEKOM IT15 (Core Ultra 9 285H)

Mechanical slot type	Count	Occupied
M.2 E-key	1	Yes

Source2Maker product pageservice.geekompc.com/it15Read 15 October 2026Internal Connector row: one M.2 key-E slot for CNVi/PCIe Wi-Fi in 2230 size. Lanes and generation are not stated. The slot holds the Wi-Fi card.5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Chapter 3: an M.2 slot for a 2230 wireless network and Bluetooth adapter.16Reviewpcworld.com/article/2915165/whats-in-a-1k-mini-pc-watch-us-tear-down-the-geekom-it15.htmlRead 15 October 2026Teardown: a 30 mm M.2 slot for the included wireless card.

BMINISFORUM UM890 Pro

Mechanical slot type	Count	Occupied
M.2 E-key	1	Yes

Source4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 6 and spec sheet: the Wi-Fi card is an M.2 2230 card.

PCIe x16 slotsiCounts mechanically x16 card slots, including occupied slots. A slot may have fewer electrical lanes.

0=CalculatedFrom Expansion slots

0=CalculatedFrom Expansion slots

Free expansion slotsiCounts slots documented as unoccupied. GPU thickness can block access to an unoccupied slot.

0=CalculatedFrom Expansion slots

0=CalculatedFrom Expansion slots

Fan headersiPhysical connectors for fans on the motherboard, not the number of installed fans.

12Maker product pageservice.geekompc.com/it15Read 15 October 2026Internal Connector row: 1 x FAN. This is one physical fan header.

Not available

Overclocking in BIOSiTrue when BIOS permits CPU or memory tuning. Source notes must distinguish XMP or EXPO memory tuning from CPU multiplier overclocking.

Not available

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Processor

14 of 16 differ

Processor

Intel Core Ultra 9 285H1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Intel Core Ultra 9 285H, 16 cores, 16 threads, 24 MB cache, 1.0 GHz to 5.4 GHz.

AMD Ryzen 9 8945HS1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: AMD Ryzen 9 8945HS Processor, 8 Cores/16 Threads. The maker's spec sheet also allows the Ryzen 9 PRO 8945HS.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026CPU row: AMD Ryzen 9 PRO 8945HS or AMD Ryzen 9 8945HS, 8 Cores/16 Threads (16M Cache, up to 5.2 GHz). The store table says up to 5.3 GHz. AMD says 5.2 GHz.

Processor brand

Intel6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026

AMD5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026

Processor codenameiChip maker's processor or platform codename. This is separate from each core's architecture name.

Arrow Lake6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026Code Name: Products formerly Arrow Lake.

Hawk Point5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026Former Codename Hawk Point.

Core configurationiOne row per stated core category. Apple super cores are distinct from performance cores. Clock values describe that category.

AGEEKOM IT15 (Core Ultra 9 285H)

Core type	Count	Base clock (GHz)	Max core turbo clock (GHz)
Performance	6	2.9	5.4
Efficiency	8	2.7	4.5
Low-power efficiency	2	1	2.5

Source6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 20266 Performance-cores (2.9 GHz base, 5.4 GHz max turbo), 8 Efficient-cores (2.7 GHz base, 4.5 GHz max turbo) and 2 Low Power Efficient-cores (1 GHz base, 2.5 GHz max turbo).

BMINISFORUM UM890 Pro

Core type	Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
Performance	8	Zen 4	4	5.2

Source5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 20268 cores, Zen 4, base clock 4 GHz, max boost up to 5.2 GHz.

CPU cores

16=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Performance coresiCounts rows explicitly classified as performance cores. Apple super cores are stored separately and excluded.

6=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Efficiency coresiCounts efficiency and low-power efficiency cores. Zero means a complete stated core configuration has no such cores.

10=CalculatedFrom Core configuration

0=CalculatedFrom Core configuration

Threads

166Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026Total Threads: 16.

165Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026

Max core turbo clockiHighest core-category turbo or boost clock in cpu_clusters. Separate favored-core or processor-level boost ratings are not substituted for a category's published turbo clock.

5.4GHz=CalculatedFrom Core configuration

5.2GHz=CalculatedFrom Core configuration

L3 cache

24MB6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026Cache: 24 MB Intel Smart Cache.

16MB5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026

CPU core process nodeiPublished CPU-core fabrication node. Package components and I/O dies may use other nodes. Maker node name belongs in the source note.

3nm6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026Lithography: TSMC N3B.

4nm5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026TSMC 4nm FinFET.

CPU base power (chip rating)iChip maker's base-power or default-TDP rating. It is not measured wall power or the PC maker's configured power limit.

45W2Maker product pageservice.geekompc.com/it15Read 15 October 2026CPU row: Ultra 9 TDP 45 W. This matches Intel's processor base power.6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026Processor Base Power: 45 W. Maximum turbo power 115 W and minimum assured power 35 W are not the PC maker's configured limit.

45W5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026Default TDP 45W. Configurable TDP is 35 to 54W.

Peak CPU power (configured)iPower limit configured by the PC maker, such as PL2 or PPT. Do not substitute the chip maker's maximum turbo-power rating.

Not available

65W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Default Balance Mode in the UEFI sets PL1 60 W and PL2 65 W. Performance Mode raises both to 70.8 W. The maker says up to 70W in power mode. The default PL2 is stored.

Unlocked multiplier

Not available

No5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026Unlocked for Overclocking: No.

NPU performanceiPublished NPU throughput only. GPU, total-system AI throughput and different precision modes are separate. Precision belongs in the source note.

13TOPS1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Page: Intel AI Boost, NPU Peak TOPS (Int8) 13. The page also quotes 99 platform TOPS, which adds the CPU and GPU.

16TOPS5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026NPU TOPS up to 16. Overall TOPS up to 39.

Integrated GPU

Intel Arc 140T1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Intel Arc 140T GPU. The support page says Arc 140T or Arc 130T. The 140T belongs to the Core Ultra 9 285H.

AMD Radeon 780M1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table GPU: AMD Radeon 780M.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026GPU: AMD Radeon 780M.

Cooling

3 of 6 differ

CPU cooler

Air1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026IceBlast 2.0 active cooling with a large fan, all-copper cooling module and dual copper heat pipes.

Air6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Copper heat pipes, a heat spreader and a large fan that exhausts hot air, plus a separate fan and heat sink for the NVMe drives.

CPU cooler model

IceBlast 2.01Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Cooling section names IceBlast 2.0.

Cold Wave 2.21Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Cold Wave 2.2 cooling with an active DDR and SSD cooler and a 6CM fan.

Radiator size

Not available

Not available

Radiator position

Not available

Not available

Case fansiInstalled chassis airflow fans, including radiator fans. Excludes GPU, PSU and standalone CPU-cooler fans. Count fan rotors, including multiple rotors in a single-frame assembly. A mini PC whose only fan cools the processor and moves the air through the case counts that fan.

AGEEKOM IT15 (Core Ultra 9 285H)

Fan rotors
1

Source1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Page: one large fan in the IceBlast 2.0 system. The fan cools the processor and moves air through the case, so it is counted as the only fan. Position and size are not stated.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026IceBlast cooling is one large fan on an all-copper heatsink. Fan noise is always present.

BMINISFORUM UM890 Pro

Fan rotors
2

Source6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026The review names the top and bottom fans of the Cold Wave 2.2 system and calls them the dual fans. The CPU fan and the fan for the SSDs and memory are counted. Their sizes and positions are not stated.

Number of case fansiSum of documented chassis and radiator fan rotors. Excludes GPU, PSU and standalone CPU-cooler fans.

1=CalculatedFrom Case fans

2=CalculatedFrom Case fans

Graphics

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Discrete GPU

No1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026The specifications list no discrete graphics.

No3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026The GPU row lists only the Radeon 780M, the processor's integrated graphics. The OCuLink port is for an external GPU dock.

GPUiDiscrete graphics chip. Integrated graphics belong in integrated_gpu.

Not available

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GPU brand

Not available

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Graphics card

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VRAM

Not available

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VRAM type

Not available

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GPU board poweriConfigured total board power of the installed card. A chip-family reference rating is not proof of an OEM card limit.

Not available

Not available

GPU boost clockiPublished boost clock for the installed graphics card and mode. Do not use a measured transient clock or another board model's rating.

Not available

Not available

Graphics card length

Not available

Not available

Graphics card thicknessiCard thickness in PCIe bracket-slot units, such as 2.5. This is not the number of connectors or motherboard slots.

Not available

Not available

GPU power connector

Not available

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Memory

3 of 11 differ

RAM

32GB1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026The configuration list offers U9-285H 32 GB RAM + 1 TB SSD and U9-285H 32 GB RAM + 2 TB SSD. All Core Ultra 9 285H versions carry 32 GB.

32GB1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Variant label 32GB RAM(4800Mhz)+1TB SSD.

RAM type

DDR52Maker product pageservice.geekompc.com/it15Read 15 October 2026Memory row: DDR5 SODIMM.

DDR51Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: DDR5 Dual channel (SODIMM Slots x2, Up to 5600MHz, Max 96GB).3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026DDR5 Dual channel, SODIMM slots x2, up to 5600MHz.

Configured RAM speediMemory transfer rate configured on delivery. A rated XMP or EXPO profile may be faster when it is disabled.

5,600MT/s8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Specifications: 32GB Dual Channel DDR5-5600 SODIMM (64GB MAX). The maker page states no speed. KitGuru and Igor's Lab also say 5600.12Reviewkitguru.net/desktop-pc/mat-mynett/geekom-it15-mini-pc-reviewRead 15 October 2026Review of 7 July 2025: 32GB of DDR5-5600 memory.

4,800MT/s1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026The US variant label says 4800MHz. The 2024 review units of Liliputing and ServeTheHome had Crucial DDR5-5600 modules, so the shipped module differs by batch. The maker spec table says up to 5600MHz.

Rated kit speediRated memory-kit or profile speed. This can differ from the speed configured on delivery.

Not available

Not available

Memory kit

Crucial CT16G56C46S5.M8D19Reviewigorslab.de/geekom-it15-mini-pc-im-test/3Read 15 October 2026Internal layout page: the review unit has 32 GB of DDR5-5600 from the Crucial model CT16G56C46S5.M8D1. The module name describes the review unit only and is not a guaranteed supplier.

Not available

RAM upgradeiHow installed memory is physically attached. Purchase-time capacity choices do not mean memory can be upgraded later.

Slots2Maker product pageservice.geekompc.com/it15Read 15 October 2026Memory row: SODIMM sockets that take two modules.

Slots1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Two SODIMM slots.

Memory slotsiPhysical replaceable memory connectors, with one row per occupancy state. Package-integrated memory is not a DIMM slot.

AGEEKOM IT15 (Core Ultra 9 285H)

Slot	Count	Occupied	Module size (GB)
SO-DIMM	2	Yes	16

Source2Maker product pageservice.geekompc.com/it15Read 15 October 2026Memory row: dual-channel DDR5 262 PIN SODIMM. The manual says two SO-DIMM slots. The 2 x 16 GB fill comes from TechRadar's review unit.5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Chapter 3: two SO-DIMM slots that take up to two DDR5 SO-DIMM modules.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Review unit shipped with 32 GB as two 16 GB modules. The text says up to 64 GB with two 32 GB modules.9Reviewigorslab.de/geekom-it15-mini-pc-im-test/3Read 15 October 2026Internal layout page: 32 GB fitted as the CT16G56C46S5 module, a 16 GB part.

BMINISFORUM UM890 Pro

Slot	Count	Occupied	Module size (GB)
SO-DIMM	2	Yes	16

Source4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 23: DDR5 goes into two memory slots. A module with a heat sink goes in the lower slot.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Review unit had two Crucial 16 GB DDR5-5600 modules.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026The 32GB and 1TB review unit had two Crucial DDR5-5600 SODIMMs of 16GB each.

RAM slots

2=CalculatedFrom Memory slots

2=CalculatedFrom Memory slots

Free RAM slots

0=CalculatedFrom Memory slots

0=CalculatedFrom Memory slots

Max RAM for this CPU and GPUiMaximum stated capacity without changing the CPU or GPU configuration represented by this product. For integrated memory this is a purchase-time limit. For slot-based RAM it is the maker's supported upgrade limit.

64GB2Maker product pageservice.geekompc.com/it15Read 15 October 2026Memory row: up to 64 GB. This support page and the launch specification, TechRadar, KitGuru and retailers all say 64 GB. The current product page headline and its table say up to 128 GB, which matches Intel's processor limit, while other text on that page still says 64 GB. The conflict is recorded and the support page figure is stored.

96GB1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Max 96GB, up to 48GB on a single memory stick.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Max Memory Size 96GB, Max # of DIMMs 2.

ECC memoryiSystem-level ECC memory support or configuration. DDR5 on-die ECC alone does not establish this field.

No6Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 15 October 2026ECC Memory Supported: No.

No3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026ECC Memory Supported: NO.5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026ECC Support: No.

Storage

4 of 7 differ

Storage

2TB=CalculatedFrom Installed drives

1TB=CalculatedFrom Installed drives

Installed drivesiInstalled drives, one row per physical drive. Capacity is in decimal GB. Use the generic SSD option when its protocol is not published. It does not establish an interface or socket. Do not represent alternative purchase capacities as installed drives.

AGEEKOM IT15 (Core Ultra 9 285H)

Capacity (GB)	Type	PCIe generation	Drive
2,000	NVMe SSD	4	Crucial P3 Plus

Source1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026The configuration list offers a 2 TB SSD version. The 2 TB drive is 2000 decimal GB. The drive make is not stated by the maker.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Review unit has a 2 TB M.2 2280 NVMe PCIe Gen4 x4 SSD. The reviewed version is Core Ultra 9 285H, 32 GB, 2 TB.9Reviewigorslab.de/geekom-it15-mini-pc-im-test/3Read 15 October 2026Internal layout page: the M.2 PCIe 4.0 SSD is a Crucial P3 Plus (CT2000P3SSD8, a 2 TB part). KitGuru and PCWorld also found a Crucial P3 Plus 2 TB. PCWorld says other units may carry other SSDs.12Reviewkitguru.net/desktop-pc/mat-mynett/geekom-it15-mini-pc-reviewRead 15 October 2026Review unit has a 2TB Crucial P3 Plus M.2 NVMe PCIe 4.0 SSD.14Reviewpcworld.com/article/2957437/geekom-it15-review.htmlRead 15 October 2026Review unit has a 2 TB Crucial P3 Plus SSD. The text names the part CT2000P3PSSD8 and says other IT15 units may use SSDs from other makers.

BMINISFORUM UM890 Pro

Capacity (GB)	Type	PCIe generation
1,000	NVMe SSD	4

Source1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Variant label 1TB SSD. The spec table says M.2 2280 PCIe4.0 SSD x2.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Review unit had a Kingston 1TB M.2 2280 PCIe Gen 4.0 drive. Drive brands differ between units, so no model is stored.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026Kingston 1TB NVMe SSD in one M.2 slot and nothing in the second slot.

Storage slots and baysiPhysical SSD connectors and drive bays, counted once each. Multiple supported M.2 lengths or alternative bay uses do not create extra slots.

AGEEKOM IT15 (Core Ultra 9 285H)

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes
M.2 2242	SATA	Not available	Not available	1	No
2.5-inch bay	SATA	Not available	Not available	1	No

Source1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: one M.2 2280 NVMe PCIe Gen4 x4 SSD, one M.2 2242 SATA III SSD slot and one 2.5 inch SATA HDD slot. The 2.5 inch slot was added to the page later and is confirmed by the manual, PCWorld's teardown and Guru3D. Starry Hope says there is no 2.5 inch bay. No reviewer shows a drive in it, so it is stored as free.2Maker product pageservice.geekompc.com/it15Read 15 October 2026Internal Connector row: one M.2 key-M slot for PCIe x4 Gen 4 NVMe SSD (2280) and one M.2 key-B slot (SATA, 2242). This table does not list the 2.5 inch bay.5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Chapter 3: supports one M.2 2280 PCIe Gen4 x4 SSD and one M.2 2242 SATA III SSD. A separate section describes a dedicated 2.5 inch drive bay on the bottom cover for a 7 mm drive.13Reviewguru3d.com/review/review-intel-core-ultra-9-285h-in-the-geekom-it15-mini-pcRead 15 October 2026Introduction: an extra M.2 2242 slot with SATA 3.0 speeds. Users can also install a 2.5 inch SATA hard drive.16Reviewpcworld.com/article/2915165/whats-in-a-1k-mini-pc-watch-us-tear-down-the-geekom-it15.htmlRead 15 October 2026Teardown: three M.2 slots, one 80 mm for the main SSD, one 42 mm for extra storage and one 30 mm for the wireless card, plus a SATA connection on the board for a 2.5 inch drive.

BMINISFORUM UM890 Pro

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes
M.2 2280	PCIe NVMe	4	4	1	No

Source1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: M.2 2280 PCIe4.0 SSD x2.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 20262 x M.2 2280 PCIe4.0 SSD (up to 4TB, PCIe4.0x4).4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 22 and 24: an M.2 2280 SSD goes in a slot. The OCuLink adapter card also goes in an M.2 slot.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026The second slot takes an M.2 2280 SSD or the OCuLink board.

M.2 slots

2=CalculatedFrom Storage slots and bays

2=CalculatedFrom Storage slots and bays

Free M.2 slots

1=CalculatedFrom Storage slots and bays

1=CalculatedFrom Storage slots and bays

Free drive bays

1=CalculatedFrom Storage slots and bays

0=CalculatedFrom Storage slots and bays

Fastest storage-slot PCIe generationiHighest documented PCIe generation of a storage slot. This does not identify the installed drive's generation.

4=CalculatedFrom Storage slots and bays

4=CalculatedFrom Storage slots and bays

Power supply

0 of 7 differ

PSU rated outputiPower supply's rated output, or an external adapter's output rating. Maximum system consumption, peak PSU power and wall draw are separate.

120W2Maker product pageservice.geekompc.com/it15Read 15 October 2026Adapter row: 19 V 120 W power supply adapter with geo-specific AC cord (IEC C5).5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Page 12 and page 16: 120 W adapter, +19 V DC, 6.32 A.

120W3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Power: 19V/6.32A (5525mm,120W).

PSU form factoriReplacement PSU dimensions class. Electrical standards such as ATX12VO belong in psu_atx_version. A supply built into an all-in-one is proprietary unless the maker names a standard size.

External adapter2Maker product pageservice.geekompc.com/it15Read 15 October 2026An external 19 V adapter with a barrel DC input.

External adapter3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026External adapter with DC input. No internal supply.

PSU efficiencyiWhen an 80 PLUS and a Cybenetics level are both published, the 80 PLUS level is stored and the Cybenetics level goes in the source note.

Not available

Not available

Modular cables

Not available

Not available

PSU model

Not available

Not available

ATX version

Not available

Not available

Native 12V-2x6 cableiThe supplied PSU has a native 12V-2x6 GPU cable. A generic 16-pin connector description alone does not establish its revision.

Not available

Not available

Ports

5 of 9 differ

User-facing I/O positioniLocation of the accessible front, top, side or bottom port panel.

Front2Maker product pageservice.geekompc.com/it15Read 15 October 2026I/O Ports row marks the front panel USB-A and headset jack. TechRadar and Igor's Lab confirm two USB-A ports and the jack on the front.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Front panel carries the two USB-A ports and the audio jack.

Front4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 8: reset hole, 3.5mm combo jack, USB4 port, two USB3.2 Gen2 ports and the power button on the front.

User-facing portsiAccessible front, top, side and bottom ports at the stated I/O position. Counts refer to physical connectors.

AGEEKOM IT15 (Core Ultra 9 285H)

Type	Version	Count	Max stated link rate (Gbps)
USB-A	USB 3.2 Gen 2	2	10
3.5 mm audio	Stereo headset jack	1	Not available

Source2Maker product pageservice.geekompc.com/it15Read 15 October 2026Three USB 3.2 Gen 2 Type-A ports are listed in total. One is on the back, one supports S5 power delivery and one is on the front panel. Two are on the front per TechRadar and Igor's Lab. The headset jack is on the front panel. The side SD Card 4.0 reader is not stored because the I/O position field holds the front panel only.5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Page 10: the front USB 3.2 Gen 2 Type-A port gives 10 Gbit/s and there is a headphone, headset and microphone port. The generic manual drawing shows one front USB-A port. The maker table and two reviewers give two.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Design section: front has 2 USB 3.2 Gen 2 Type-A ports, a 3.5 mm audio jack and the power button. An SD card slot is on the left side.

BMINISFORUM UM890 Pro

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)
USB-A	USB 3.2 Gen 2	2	10	Not available	Not available
USB-C	USB4	1	40	USB4	15
3.5 mm audio	Headphone and microphone combo	1	Not available	Not available	Not available

Source3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Ports and Buttons: USB3.2 Gen2 x4, USB4 x2 (Alt PD in 65-100W and PD Out 15W), 3.5mm audio jack. The front and rear split comes from the manual and Liliputing.4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 8 and 11: front USB4 supports 40Gbps data, Alt DP video and PD charging up to 15W. The 3.5mm combo jack carries headphones or a microphone.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Front list from left to right: reset pin-hole, 3.5mm headphone jack, USB4 40 Gbit/s, two USB-A 3.2 Gen 2x1 10 Gbit/s, power button.

Rear portsiPhysical rear connectors, including motherboard and discrete-GPU outputs. Source notes identify disabled onboard video ports and any incomplete GPU output evidence. A video input, such as HDMI in on an all-in-one, is Other. AC power input is a mains inlet, such as C14, for a built-in power supply. DC in is for an external adapter.

AGEEKOM IT15 (Core Ultra 9 285H)

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)	DP Alt Mode	Connected to
USB-C	USB4 with DisplayPort 1.4 and Power Delivery input	1	40	USB4	15	Yes	Motherboard
USB-C	USB4 with DisplayPort 1.4	1	40	USB4	15	Yes	Motherboard
USB-A	USB 3.2 Gen 2	1	10	Not available	Not available	Not available	Motherboard
USB-A	USB 2.0	1	0.48	Not available	Not available	Not available	Motherboard
HDMI	2.0	2	Not available	Not available	Not available	Not available	Motherboard
Ethernet (RJ45)	2.5 Gigabit Ethernet	1	2.5	Not available	Not available	Not available	Motherboard
DC in	19 V DC input for the supplied 120 W adapter	1	Not available	Not available	Not available	Not available	Motherboard

Source2Maker product pageservice.geekompc.com/it15Read 15 October 2026I/O Ports row: 2 x USB4 (one supports PD), 1 x USB 3.2 Gen 2 Type-A, 1 x USB 2.0 Type-A, 2 x HDMI, 1 x 2.5G RJ45 and 1 x DC in on the back panel.5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Pages 12 to 14: both USB4 ports give 40 Gbit/s, DisplayPort 1.4 and USB output up to 5 V/3 A. The left one also takes Power Delivery input of 20 V/5 A. HDMI output is up to 4096 x 2304 at 60 Hz. The USB 3.2 Gen 2 port gives 10 Gbit/s.8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Design section: back has the power socket, 2 USB4 ports with power delivery and 4K 60 Hz output, 2 HDMI, RJ45, one USB 3.2 Gen 2 Type-A and one USB 2.0 Type-A.

BMINISFORUM UM890 Pro

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)	DP Alt Mode	Connected to
USB-A	USB 3.2 Gen 2	2	10	Not available	Not available	Not available	Motherboard
USB-C	USB4	1	40	USB4	15	Yes	Motherboard
HDMI	2.1 FRL	1	Not available	Not available	Not available	Not available	Motherboard
DisplayPort	1.4	1	Not available	Not available	Not available	Not available	Motherboard
OCuLink	PCIe 4.0 x4 via the included M.2 to OCuLink adapter card	1	Not available	Not available	Not available	Not available	Motherboard
Ethernet (RJ45)	2.5 Gigabit Ethernet	2	2.5	Not available	Not available	Not available	Motherboard
DC in	19 V barrel input for the supplied 120 W adapter	1	Not available	Not available	Not available	Not available	Motherboard

Source3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Ports and Buttons: RJ45 2.5G Ethernet x2, OCuLink x1 (via M.2 to OCuLink adapter board), HDMI 2.1 FRL x1, DP 1.4 x1, USB3.2 Gen2 x4, USB4 x2. The maker's video row gives DP up to 4K at 120Hz and HDMI up to 8K at 60Hz. The USB4 DP Alt Mode comes from the store text.4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 9: rear DisplayPort, OCuLink port, HDMI port, USB4 port, two USB3.2 Gen2 ports, two RJ-45 LAN ports and power input.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Rear list: two USB-A 3.2 Gen 2x1, DisplayPort 1.4, USB4, OCuLink, HDMI 2.1, two 2.5 Gb Ethernet, power jack.

User-facing USB portsiPhysical USB-A and USB-C connectors on the accessible front, top, side or bottom panel.

2=CalculatedFrom User-facing ports

3=CalculatedFrom User-facing ports

User-facing USB-C portsiPhysical USB-C connectors on the accessible front, top, side or bottom panel, including Thunderbolt and USB4 sockets.

0=CalculatedFrom User-facing ports

1=CalculatedFrom User-facing ports

Rear USB ports

4=CalculatedFrom Rear ports

3=CalculatedFrom Rear ports

ThunderboltiThunderbolt documented in the rear-port table. Front-panel-only Thunderbolt is not covered by this derived field.

No=CalculatedFrom Rear ports

No=CalculatedFrom Rear ports

Ethernet speed

2.5Gbps=CalculatedFrom Rear ports

2.5Gbps=CalculatedFrom Rear ports

Discrete GPU output portsiCounts rear connectors explicitly attributed to the discrete graphics card. A partial rear-port table cannot establish the card's complete output count.

0=CalculatedFrom Rear ports

0=CalculatedFrom Rear ports

Wireless

5 of 6 differ

Wi-Fi

Wi-Fi 71Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Intel M.2 Wi-Fi 7, Bluetooth 5.4.2Maker product pageservice.geekompc.com/it15Read 15 October 2026Wireless LAN row: Intel M.2 Wi-Fi 7, Bluetooth 5.4.

Wi-Fi 6E1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: M.2 2230 WIFI Support (Wi-Fi 6E, BlueTooth 5.3). The maker's spec sheet says Bluetooth 5.2, see bluetooth_version.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Wi-Fi 6E.

Wi-Fi bandsiBands explicitly supported by the installed radio and product region. Do not infer 6GHz use solely from a Wi-Fi version.

2.4 GHz, 5 GHz, 6 GHz7Maker product pageintel.com/content/www/us/en/products/sku/230078/intel-wifi-7-be200/specifications.htmlRead 15 October 2026Intel spec for the Wi-Fi 7 BE200 module that Igor's Lab found in the IT15: 2.4 GHz, 5 GHz and 6 GHz.

Not available

Wi-Fi module

Intel Wi-Fi 7 BE2009Reviewigorslab.de/geekom-it15-mini-pc-im-test/3Read 15 October 2026Internal layout page: Wi-Fi 7 and Bluetooth 5.4 come from an Intel BE200 module.

MediaTek MT7922 (AMD RZ616)6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026MediaTek 7922 card in an M.2 2230 slot. ServeTheHome names it RZ616, the AMD-branded MT7922.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026RZ616 WiFi solution.

Wi-Fi antenna

Internal8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Design section: two 3D stereo Wi-Fi antennas inside the case.

Internal6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026The WiFi antennas are attached to the plastic tray under the top cover.

Bluetooth

5.41Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Bluetooth 5.4.2Maker product pageservice.geekompc.com/it15Read 15 October 2026Wireless LAN row: Bluetooth 5.4.

5.23Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Wireless row: Wi-Fi 6E, BlueTooth 5.2. The store table says 5.3. Retailer titles and the MediaTek and AMD announcement of the RZ600 modules say 5.2. The maker's datasheet is preferred.

Ethernet controller

Intel I226-LM2Maker product pageservice.geekompc.com/it15Read 15 October 2026Ethernet row: Intel 10/100/1000/2500 Mbps RJ45. The exact controller name is from Igor's Lab.9Reviewigorslab.de/geekom-it15-mini-pc-im-test/3Read 15 October 2026Internal layout page: Intel I226-LM Ethernet controller.

Realtek RTL81256Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Two 2.5 Gb Ethernet ports (RTL8125).

Camera and audio

1 of 5 differ

WebcamiPublished built-in camera description and resolution. Keep sensor megapixels, video resolution and named camera features distinct in the source note. External bundled cameras do not qualify.

Not available

Not available

Built-in speaker driversiPhysical built-in acoustic drivers, including separate tweeters and woofers. Audio channels, system beepers and external bundled speakers do not count. Do not infer driver count from speaker assemblies.

Not available

Not available

Total speaker poweriManufacturer stated combined output of the built-in speakers. Preserve power basis in source notes. PSU ratings and external speaker output do not qualify.

Not available

Not available

MicrophonesiPhysical built-in microphones. Beamforming channels and microphone modes do not count.

013Reviewguru3d.com/review/review-intel-core-ultra-9-285h-in-the-geekom-it15-mini-pcRead 15 October 2026Introduction: the IT15 does not include a built-in fingerprint reader or microphones.

Not available

Audio featuresiPublished built-in audio capabilities and their required software or accessories. Do not infer hardware from an audio brand name.

Not available

Not available

Lighting

None of 4 known

RGB lighting

Not available

Not available

Lit parts

Not available

Not available

Lighting standardiNamed physical RGB control or connector standard. ARGB lighting alone does not prove a 5V header or a standard connector.

Not available

Not available

Lighting software

Not available

Not available

Software

0 of 3 differ

Operating system

Windows 11 Pro1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Windows 11 Pro.2Maker product pageservice.geekompc.com/it15Read 15 October 2026Operating System row: Microsoft Windows 11 Pro 24H2 (64-bit).

Windows 11 Pro6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Review unit came with Windows 11 Pro version 23H2.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026Pre-built models come with Windows 11 Pro.

OS family

Windows1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Windows 11 Pro is preinstalled. The page says other x86 systems such as Ubuntu are supported.

Windows3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026System: Windows 11.

Control software

Not available

Not available

Upgradeability

None of 4 known

Proprietary partsiParts or interfaces the maker or teardown identifies as requiring nonstandard replacements. Do not infer from a brand label alone.

Not available

Not available

Max graphics card length

Not available

Not available

Max CPU cooler height

Not available

Not available

Warranty kept after upgradeiWhether the maker keeps the warranty after a user upgrade under the stated terms and market. Damage exclusions alone do not mean all warranty is void.

Not available

Not available

Measured performance

7 of 8 differ

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

108points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Cinebench 2024 CPU single core 108. Windows, factory default UEFI Balance Mode (PL1 60 W, PL2 65 W) and Windows High performance power mode.

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

983points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Cinebench 2024 CPU multi core 983. Same default profile.

Geekbench single-coreiMeasured by a reviewer, not claimed by the maker

3,080points15Reviewtomsguide.com/computing/desktop-computers/mini-pcs/geekom-it15-reviewRead 15 October 2026Review of 12 October 2025, Core Ultra 9 285H with 2 TB tested. Performance table: Geekbench 6.4 single-core 3080. The review does not name a BIOS power mode.

2,712points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Geekbench 6.2.1 single-core 2712. Same default profile.

Geekbench multi-coreiMeasured by a reviewer, not claimed by the maker

15,589points15Reviewtomsguide.com/computing/desktop-computers/mini-pcs/geekom-it15-reviewRead 15 October 2026Performance table: Geekbench 6.4 multi-core 15589.

13,543points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Geekbench 6.2.1 multi-core 13543. Same default profile.

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker

3,808points8Reviewtechradar.com/computing/geekom-it15-mini-pc-reviewRead 15 October 2026Benchmark table: Time Spy Graphics 3808 (Time Spy CPU 11,626). The review does not name a BIOS power mode.

3,024points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 20263DMark Time Spy graphics score 3024 on the Radeon 780M, overall 3395. Same default profile.

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iReviewer's sequential read test. A file-copy rate or maker's SSD rating is not a sequential read measurement. Test method belongs in the source note.

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4,800MB/s6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026CrystalDiskMark sequential read on the internal Kingston drive, published as around 4800 MB/s. Write was around 3900 MB/s.

Game frame ratesiReviewer measurements for this CPU, GPU, memory, storage and cooling configuration. Resolution, preset, ray tracing, upscaling and frame generation conditions belong in rows or source notes.

AGEEKOM IT15 (Core Ultra 9 285H)

Game	Width (px)	Height (px)	Preset	Average FPS	1 % low FPS
Counter-Strike 2	1920	1080	Low, CS2 benchmark map	158.04	103.38
Grand Theft Auto V	1280	720	Custom minimum settings, built-in benchmark	154.24	73.84
Rainbow Six Siege X	1920	1080	Low, 50 percent resolution scale, built-in benchmark	104.07	82.53

Source10Reviewigorslab.de/geekom-it15-mini-pc-im-test/5Read 15 October 2026Igor's Lab game tests on the Arc 140T. Counter-Strike 2 on the benchmark map at 1920 x 1080 Low, fullscreen, V-Sync off. Grand Theft Auto V built-in benchmark at 1280 x 720 with FXAA, MSAA, tessellation, long shadows and ambient occlusion off and population density, draw distance and extended draw distance at minimum. Rainbow Six Siege X built-in benchmark at 1920 x 1080 with 50 percent scale, T-AA and every quality setting Low. The 99th percentile column is stored as the 1 percent low. Upscaling is not stated. The review does not name a BIOS power mode.

BMINISFORUM UM890 Pro

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Measured noise and temperature

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Fan noise per loadiMeasured by a reviewer, not claimed by the maker

AGEEKOM IT15 (Core Ultra 9 285H)

Profile	Load	Distance (cm)	Noise (dB(A))
Not stated, idle under Windows	Idle	40	33.7
Not stated, stress test load	Max load	40	43.1

Source11Reviewigorslab.de/geekom-it15-mini-pc-im-test/6Read 15 October 2026Loudness section: Voltcraft SL-200 meter at 40 cm in the Lo mode with 125 ms cycles. Room 33.2 dB(A), idle 33.7 dB(A) and under load 43.1 dB(A). The page does not name the load test or a fan profile, and the load row is stored as maximum load.

BMINISFORUM UM890 Pro

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Highest measured fan noiseiHighest measured row in fan_noise_measured, not a theoretical maximum. Compare only at the same distance and test conditions.

43.1dB(A)=CalculatedFrom Fan noise per load

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Measured fan noise at idleiHighest documented idle row in fan_noise_measured. Distance and ambient noise floor belong in the source note.

33.7dB(A)=CalculatedFrom Fan noise per load

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CPU temperature in stress testiCPU temperature measured during the named sustained load. Source notes distinguish gaming loops from synthetic CPU or combined stress tests.

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79°C6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026All-core stress test for 20 minutes, logged by script. The CPU started at 27 C idle, reached 86 C at the start, then settled at 79 C. The settled value is stored.

CPU clock in stress testiSustained all-core CPU clock under the stated test. A P-core-only average is not a whole-CPU all-core clock.

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3.709GHz6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Same 20-minute all-core stress test. The average frequency was 3729 MHz at the start and 3709 MHz for the duration.

GPU temperature while gamingiMeasured by a reviewer, not claimed by the maker

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Measured power

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Power draw idleiMeasured system power at the wall at idle. Certification or maker claims are not reviewer measurements.

5.5W11Reviewigorslab.de/geekom-it15-mini-pc-im-test/6Read 15 October 2026Stress tests page: 5.5 W in idle under Windows. The stress rows on the same page are for the whole system, so the idle figure is taken as whole-system power. The measuring point is not named.

9.5W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Idle 9.5 W on Windows, measured at the wall with a power meter on a UPS outlet.

Power draw gamingiMeasured system power at the wall during the stated game and settings.

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Power draw maxiMeasured power at the wall during combined CPU and GPU stress. A PSU rating or game-only load is not this value.

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95.7W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Windows Cinebench plus FurMark together: max 95.7 W, average 91.3 W, at the wall.

Power draw sleep or offiMeasured power at the wall with the stated sleep or off mode. These modes must be identified in the source note.

Not available

1.2W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Powered off (shutdown) 0.8 to 1.2 W on Windows. The highest reading is stored.

Sustained CPU power (measured)iMeasured by a reviewer, not claimed by the maker

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GPU power while gaming (measured)iMeasured by a reviewer, not claimed by the maker

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Certifications

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ENERGY STARiExplicit certification status for the model or defined configuration scope. Absence from a search result is not proof of false.

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EPEATiPublished registration level. Missing registration evidence is not proof of none.

Not available

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Copilot+ PC

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Typical annual energy consumption (TEC)iStandardized TEC from the named ENERGY STAR or EU product-information record. It is not a prediction of an individual user's annual energy use.

Not available

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Other certifications

CE, FCC, CB, CCC, ErP, RoHS1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Certification CE, FCC, CB, CCC, ErP, RoHS.2Maker product pageservice.geekompc.com/it15Read 15 October 2026Certification row: CE, FCC, CB, CCC, ErP, RoHS.

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In the box

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In the boxiItems supplied with this exact configuration. Optional accessories and configurator add-ons are not guaranteed included.

Power adapter, VESA mount, Wall mount, HDMI cable16Reviewpcworld.com/article/2915165/whats-in-a-1k-mini-pc-watch-us-tear-down-the-geekom-it15.htmlRead 15 October 2026Bottom feet carry a VESA mount. Igor's Lab lists the box contents.17Reviewigorslab.de/geekom-it15-mini-pc-im-testRead 15 October 2026Unboxing section: the accessories are a VESA and wall mount, an HDMI cable and a power adapter that delivers at most 120 W.

Mini PC, AC power adapter, Power cord, HDMI cable, M.2 to OCuLink adapter card, VESA mount, Mounting screw set, User manual4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Pages 5 to 7: mini PC, AC power adapter, power cord, HDMI cable, M.2 to OCuLink adapter card, mounting screw set, VESA mount and user manual. The manual says the adapter and other accessories vary by model and region.

Included extrasiExtras confirmed supplied with the exact configuration. Optional bundles are excluded.

VESA bracket1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Specifications table: Accessory VESA Mount. The manual says the VESA bracket is in the package box.

VESA bracket4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 7: VESA mount with the mounting screw set.

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

3years1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026Page states a 3-year manufacturer warranty and the US store badge says 3-Year Warranty.

2years1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 20262-Year Seller Warranty on the US store. The maker's warranty policy page lists 2 years for a mini PC and says the term varies by region. Its global page header says 3 years.

Warranty service

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Links

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Product page

www.geekompc.com/geekom-it15-mini-pc1Maker product pagegeekompc.com/geekom-it15-mini-pcRead 15 October 2026US store page, Intel Core Ultra 9 285H version. The configuration list also offers a Core Ultra 5 225H model with 1 TB. This product is the Core Ultra 9 285H with 32 GB RAM and a 2 TB SSD, the version TechRadar, KitGuru and Igor's Lab reviewed. The page also lists 32 GB with 1 TB.

store.minisforum.com/products/minisforum-um890pro-mini-pc1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Maker US store page. Four US configurations are listed and the page shows add to cart.

Spec sheet

service.geekompc.com/it152Maker product pageservice.geekompc.com/it15Read 15 October 2026Support page Specifications tab, read through the page's public tab loader. It is the IT15 maker spec table with the form factor, CPU, memory, storage, ports, internal connectors, Ethernet, wireless, adapter and certification rows.

pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpeg3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Image of the UM890 Pro spec table on the maker's support page (minisforum.com/pages/product-info?pid=um890pro).

Manual

support.geekompc.com/vfm-admin/vfm-downloader.php5Owner's manualsupport.geekompc.com/vfm-admin/vfm-downloader.phpRead 15 October 2026Complete User Manual from the IT15 support page Downloads tab, English PDF dated 2025-06-23, 44 pages. A second 62 MB two-page file is a quick guide.

pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdf4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026UM880 Pro and UM890 Pro manual, version V1.0 of 13 March 2024, 37 pages. The pages are images, so no text layer exists.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Both are also in the API. Back to all desktop PCs.