Desktop PCs / Compare

Beelink SER9 Pro (H 255) vs GMKtec NucBox M6 Ultra

A

Product A: Beelink

SER9 Pro (H 255)

79 of 160 known

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B

Product B: GMKtec

NucBox M6 Ultra

71 of 160 known

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Only differences

ABeelink SER9 Pro (H 255)

BGMKtec NucBox M6 Ultra

General

3 of 9 differ

Series

SER Series1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

M Series1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The maker's menu groups the NucBox M6 Ultra under M Series.

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

Not available

M6 ULTRA-0-44S, M6 ULTRA-0-44U, M6 ULTRA-0-44K, M6 ULTRA-0-44A1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Store product data lists SKUs M6 ULTRA-0-44S, -44U, -44K and -44A for the 32GB RAM + 1TB SSD configuration, one per power plug option US, EU, UK and AU. The barebone (-00x) and 16GB + 512GB (-33x) configurations have other SKUs and are not listed. The reference configuration of this product is 32GB RAM + 1TB SSD, the one TechRadar and Wccftech reviewed.

GTIN / EAN

Not available

Not available

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

Not available

Not available

Status

Available1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Released H 255 model. Current selected 32 GB configuration is labelled Pre order with orders shipping within 35 days. This is a current reorder condition, not an unreleased new product or unrestricted stock claim.

Available1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The US store lists the M6 Ultra at $269.99 for the barebone and $679.99 for 32GB + 1TB. Current availability is not launch-date proof.

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

Not available

Not available

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.

Not available

Not available

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

Not available

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

Not available

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

GB1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026GB reference. The exact selected variant has the UK adapter and maker says UK addresses ship from its UK warehouse. Other plug choices are separate sold variants and are not inherited here.

US, EU, GB, AU1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The store variants name US, EU, UK and AU power plugs. This shows the plug options sold. Other countries are not listed.

ColoursiThe maker's own colour names

Frost Silver1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Bronze1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Spec table row Color: Bronze, stored verbatim. The maker's own product photos show a dark grey or black body with a green power button, and TechRadar's shop widget calls one listing Black, so the spec-table colour name may not match the photos.

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

Mini PC1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Mini PC1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The maker sells the M6 Ultra as a mini PC. Stored as mini_pc, not as a use case.

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

Mini PC1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Mini PC1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Maker category is Mini PC.

Case

7 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.

Width135Height44.7Depth135mm(5.3 × 1.8 × 5.3 in)1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Detailed maker table gives 135 x 135 x 44.7 mm without rubber feet, in tabletop orientation. Body dimensions are not rounded to 5 cm or converted from the approximate marketing inches.

Width128.8Height47.8Depth127mm(5.1 × 1.9 × 5 in)1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Chassis Dimensions row: 128.8 x 127 x 47.8 mm. The page does not label the axes. Stored as width 128.8, depth 127 and height 47.8, with the 47.8 mm being the thickness. The manual repeats the same three numbers.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications, page 7: SIZE 128.8*127*47.8mm.

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

Not available

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.

0.78kg(1.7 lb)1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker publishes 780 g, stored as exactly 0.78 kg. Notebookcheck measured 812 g for its sample, which is not the claimed system-weight field.

0.528kg(1.2 lb)1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Weight row: 528 g. The page does not say which configuration. TechRadar says 528 g is the barebones unit, so a unit with RAM and SSD weighs a little more.

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.

Other, Plastic1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Product Structure image on the exact H 255 page explicitly labels Metal Case and Plastic Bottom Panel. Metal composition is not named, so other is used instead of inferred aluminium. Metal dust filter is not counted as another enclosure material.

Plastic7Spec databasestarryhope.com/minipcs/models/gmktec-m6-ultraRead 14 October 2026Page says all-plastic chassis and cites Notebookcheck calling the build quality flawless despite the low-cost materials. minipc-review.com also says mostly plastic. No source names metal parts.

Side panel

Solid1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker says no vents on the top or sides and shows solid housing walls. The front is solid except functional port and microphone apertures. Bottom vents and dust filter remain separate.

Not available

Front panel

Solid1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

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.

No2Owner's manualdr.bee-link.cn/uploads/Users-Manual/SER9-Users-Manual_2024-11-11_12-41-37.pdfRead 8 October 2026Exact GSMArena H 255 teardown requires four Phillips screws to open the bottom, then two SSD heatsink screws. Shared enclosure manual printed page 3 shows screw-fixed SSD heatsink installation. Magnetic or tool-less side-panel access is not claimed.5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Exact H 255 / 32 GB / 1 TB sample disassembly requires four Philips bottom screws and two SSD heatsink screws. This is physical access, not a removable shipping lock.

Yes2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Disassembly Method, page 24: lift the top cover from the edges and release the snaps, no tool. The four corner screws of the fan bracket underneath then need a screwdriver to reach the RAM and SSD.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Pulling off the top plate gives access to the upper fan, which is held by four screws.

Dust filters

Yes1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Exact Product Structure graphic labels Metal Dust Filter on the bottom. Functional Features explicitly describes its bottom mesh filter.

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

Not available

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

Not available

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

Not available

Motherboard

4 of 9 differ

Motherboard

Not available

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Chipset

Not available

Not available

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

Not available

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CPU socket

FP83Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026

FP7r23Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026Socket row lists FP7, FP7r2 and FP8. The page ties DDR5 SO-DIMM memory to FP7r2, and the M6 Ultra uses DDR5 SO-DIMM, so FP7r2 is stored.

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.

ABeelink SER9 Pro (H 255)

Not available

BGMKtec NucBox M6 Ultra

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

Source2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Installing a Wireless Network Card, page 26: the Wi-Fi card is a push-and-screw M.2 card with an antenna lead. Stored as one occupied M.2 E-key slot. Electrical lanes and generation are not stated.

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

Not available

0=CalculatedFrom Expansion slots

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

Not available

0=CalculatedFrom Expansion slots

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

Not available

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

Not available

Processor

12 of 16 differ

Processor

AMD Ryzen 7 H 2551Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker identifies the eight-core, sixteen-thread H 255 with 3.8 GHz base, 4.9 GHz boost and 16 MB L3. The advertised 65 W TDP(MSP) and Dual Modes graphic identify 54 W Balanced and 65 W Performance. These configured mode ratings are retained as claims here, not substituted for AMD default TDP or interpreted as a documented peak PL2 / PPT.5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Exact H 255 / Radeon 780M / 32 GB LPDDR5X-6400 / 1 TB factory Crucial P3 Plus / Windows 11 Pro sample. Its benchmark, SSD and stress-test results are covered in the notes of their own fields.

AMD Ryzen 5 7640HS1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU Model row: AMD Ryzen 5 7640HS.

Processor brand

AMD3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026

AMD3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026

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

Hawk Point3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026Exact AMD H 255 page is available publicly in Chinese. It states former codename Hawk Point, Zen 4, eight cores / sixteen threads, 3.8 GHz base and up to 4.9 GHz boost, FP8 and 16 MB L3. All stored text is English. No HX 370 Strix Point / Zen 5 / Zen 5c fields are transferred.

Phoenix3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026Former Codename: Phoenix.

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

ABeelink SER9 Pro (H 255)

Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
8	Zen 4	3.8	4.9

Source3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026One published eight-core Zen 4 category. No separate performance / efficiency classification is assigned because this source does not publish one. Core and maximum-clock totals derive from the stated count and clocks.

BGMKtec NucBox M6 Ultra

Core type	Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
Performance	6	Zen 4	4.3	5

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: 6 cores, 12 threads, base frequency 4.3GHz, max boost up to 5.0GHz, Zen 4 architecture. All six are one core type, stored as performance.3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 20266 cores, 12 threads, Zen 4, base 4.3 GHz, boost up to 5 GHz.

CPU cores

8=CalculatedFrom Core configuration

6=CalculatedFrom Core configuration

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

Not available

6=CalculatedFrom Core configuration

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

Not available

0=CalculatedFrom Core configuration

Threads

163Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026

121Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: 6 cores, 12 threads.

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.

4.9GHz=CalculatedFrom Core configuration

5GHz=CalculatedFrom Core configuration

L3 cache

16MB3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026

16MB1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: 6MB L2 Cache, 16MB L3 Cache.

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.

4nm3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026AMD CPU-core process is TSMC 4nm FinFET.

4nm1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: TSMC 4nm FinFET process.3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026Processor Technology for CPU Cores: TSMC 4nm FinFET. cpu_base_power_w is not stored because AMD lists Default TDP and cTDP as the range 35-54W.

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.

45W3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026AMD default TDP 45 W, cTDP 35-54 W. This chip rating is separate from Beelink 54 W Balanced and 65 W Performance mode claims.

Not available

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

50W1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Feature list: 3 Power Modes 35W + 45W + 50W. TechRadar says the modes are 35W silent, 45W balanced and 50W performance. Stored the highest, 50 W. The maker does not name it PPT or PL2. Starry Hope and minipc-review.com also say 50 W. Wccftech reports a 65W profile, which no maker document states.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Three performance modes 35W, 45W and 50W. Benchmarks were run in the 50W mode.

Unlocked multiplier

No3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026Exact AMD specification says unlocked for overclocking No. Precision Boost Overdrive support does not change the multiplier-unlocked field.

No3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 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.

0TOPS5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Exact H 255 review explicitly states no built-in NPU. Zero refers to the processor's NPU, not GPU / CPU AI compute or the separate B1 microphone-noise-processing chip. The HX 370 50-TOPS NPU is not present.

10TOPS5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Review of the M6 Ultra says the APU has a first-generation NPU with 10 TOPs. The precision is not stated. AMD's processor page does not list NPU throughput.

Integrated GPU

AMD Radeon 780M1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 20263Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026

AMD Radeon 760M1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026GPU row: AMD Radeon 760M Graphics, 8 cores, up to 2600MHz, RDNA 3.

Cooling

3 of 6 differ

CPU cooler

Air1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Air1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Feature list: Copper Cooling Fan & Multiple Exhaust Vents. The manual BIOS chapter names one CPU fan and one system fan. Stored as an air cooler.

CPU cooler model

MSC 2.01Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Named MSC 2.0 system comprises vapor chamber, silent blower and SSD heatsink. It is an air cooler with a vapor chamber, not liquid cooling. The CPU blower is excluded from the case-fan table. No standalone retail cooler model or case-fan rotor count is inferred.

Not available

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.

ABeelink SER9 Pro (H 255)

Not available

BGMKtec NucBox M6 Ultra

Position	Fan rotors
Top	1

Source2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Fan Speed chapter, page 20: the BIOS adjusts the speeds of one CPU fan and one system fan. The CPU fan belongs to the CPU cooler and is excluded. Wccftech says the system fan sits under the top cover on the RAM and SSD side. TechRadar calls it the upper fan. Fan size, RGB and PWM are not stated for the system fan.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026The top plate hides the upper fan, which is relatively small.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Teardown description: one fan under the top cover cools memory and SSD. A larger fan on the other side cools the CPU.

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

Not available

1=CalculatedFrom Case fans

Graphics

0 of 11 differ

Discrete GPU

No1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker describes H 255 Radeon 780M as integrated graphics. No discrete graphics card or dedicated VRAM is installed. Its published 12 compute units and 2600 MHz GPU frequency do not imply discrete-GPU boost-clock or VRAM fields.

No1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026GPU row lists only the integrated Radeon 760M and the graphics output ports are on the board.

GPUiDiscrete graphics chip. Integrated graphics belong in integrated_gpu.

Not available

Not available

GPU brand

Not available

Not available

Graphics card

Not available

Not available

VRAM

Not available

Not available

VRAM type

Not available

Not available

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

Not available

Memory

7 of 11 differ

RAM

32GB1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

32GB1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: 16GB / 32GB configurations. The 32GB option matches the 1TB SSD configuration of the reference SKUs, as reviewed by TechRadar and Wccftech.

RAM type

LPDDR5X1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

DDR51Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: DDR5 SO-DIMM.

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

6,400MT/s1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Selected option and detailed table both explicitly give soldered LPDDR5X at 6400 MT / s. The current claim of two 16 GB packages is not a pair of DIMM slots. Older review package counts vary, but all retained measurements come from explicitly 32 GB / 6400 MT / s samples. Notebookcheck header lists 7500 MT / s and its results are not transferred.

4,800MT/s1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Feature list says Dual DDR5 4800MT/s x2. The manual spec table also says 4800MT/s. Stored as configured speed because both maker documents give 4800 and the CPU runs DDR5 at that rate in the reviews.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026SO-DIMM DDR5 4800MT/s.

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

Not available

Not available

Memory kit

Not available

Not available

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

Soldered1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Slots1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: 2 x SO-DIMM slots, so the modules are not soldered. The manual has an Installing Memory Modules section.

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

ABeelink SER9 Pro (H 255)

Not available

BGMKtec NucBox M6 Ultra

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

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: 2 x SO-DIMM slots. The 32GB configuration is two 16GB modules (Wccftech and TechRadar), so both slots are occupied.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Installing Memory Modules, page 25: two SO-DIMM slots.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Review sample: 32GB pre-installed in two SO-DIMM DDR5 4800MT/s slots, upgradeable to 128GB.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Review unit: DDR5-4800 32 GB (16 GB x2) SO-DIMM, dual channel.

RAM slots

Not available

2=CalculatedFrom Memory slots

Free RAM slots

Not available

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.

32GB1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Specifications list only 24 GB (12 GB x 2) and 32 GB (16 GB x 2) LPDDR5X-6400 purchase options. 32 GB is the largest option. The memory is soldered.

128GB1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: supports up to 128GB.

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

No3Maker product pageamd.com/zh-cn/products/processors/laptop/ryzen/200-series/amd-ryzen-7-h-255.htmlRead 8 October 2026Exact AMD processor specification explicitly gives ECC support No. Chip memory maximum 256 GB and LPDDR5X-7500 capability are not transplanted into soldered system maximum or shipped memory-speed fields.

No3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026ECC Support: No.

Storage

3 of 7 differ

Storage

1TB=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.

ABeelink SER9 Pro (H 255)

Capacity (GB)	Type	PCIe generation	Drive
1,000	NVMe SSD	4	Crucial P3 Plus

Source1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026One 1 TB NVMe PCIe 4.0 SSD in the selected configuration, stored as decimal 1000 GB. Maker does not fix SSD vendor or model. Reviews supplied Crucial P3 Plus in their samples, but that vendor is not promised for every current unit.5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Review states the factory 1 TB SSD is a Crucial P3 Plus. Capacity and PCIe generation were already stored from the maker page.

BGMKtec NucBox M6 Ultra

Capacity (GB)	Type	PCIe generation
1,000	NVMe SSD	3

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Storage (ROM) row: PCIe 3.0 M.2 2280 SSD, 512GB / 1TB options. The reference configuration has the 1TB option. The decimal 1TB is stored as 1000 GB. The drive model is not stated by the maker.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications, page 7: Storage 2*M.2 2280 PCIE3.0 SSD 512GB/1TB. The manual wins over the product page row that says PCIe 4.0 x4. Wccftech measured a Gen3 x4 drive and TechRadar's CrystalDiskMark read of 3555.7 MB/s is a Gen3 figure, although TechRadar calls the drive PCIe 4.0.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026The review unit had a 1 TB PCIe Gen 3.0 x4 M.2 drive.

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.

ABeelink SER9 Pro (H 255)

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 pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker detailed table states dual M.2 2280 PCIe 4.0 x4, up to 8 TB total through two 4 TB drives. One factory SSD and one unoccupied storage socket are stored. Optional Mate Mini or Mate SE dock sockets are excluded. GSMArena prose momentarily calls the second storage socket the WLAN socket, contradicting its own conclusion and maker layout. The distinct WLAN card is not a second installed SSD.

BGMKtec NucBox M6 Ultra

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	3	4	1	Yes
M.2 2280	PCIe NVMe	3	4	1	No

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Storage Expansion row: 2 x M.2 2280 SSD slots, up to 8TB per slot. The row says PCIe 4.0 x4, but the feature list and the manual say PCIe 3.0, and Wccftech measured Gen3 x4. Stored as Gen 3 x4. See the manual note.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications, page 7: 2*M.2 2280 PCIE3.0. The Installing M.2 SSDs section says the exact number depends on the device purchased. The 1TB reference unit has 2 slots with one used, per Wccftech and Lon.TV.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Two M.2 2280 slots, one used by the reviewed 1TB SSD. TechRadar writes PCIe 4.0 for the SSD. That is not used, because the manual says PCIe 3.0 and Wccftech tested a Gen3 x4 drive.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Two M.2 2280 slots, 2 x Gen3 x4, up to 8 TB each. One is populated by the 1 TB SSD.

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

0=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

3=CalculatedFrom Storage slots and bays

Power supply

1 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.

Not available

120W1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Power row: DC power adapter 19V / 6.32A, 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 adapter1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker box and adapter section identify the supplied external power adapter, 19 V / 6.32 A output. Input headline says 200-240 V. Older review uses a 100 W adapter and 19 V / 5.26 A listing. No exact current wattage rating is stated, so neither 100 W nor a computed 120.08 W is stored. No optional dock PSU is borrowed.

External adapter2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Back View, page 6: the adapter is an external +19V DC 6.32A, 120.08W unit with a DC IN port.

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.

Front1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Front2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Front View, pages 3 and 4: USB 3.2 Gen2, USB4, 3.5mm CTIA audio, reset button and power button.

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

ABeelink SER9 Pro (H 255)

Type	Version	Count	Max stated link rate (Gbps)
USB-A	USB 3.2 Gen 2	1	10
USB-C	USB 3.2 Gen 2, data	1	10
3.5 mm audio	Not available	1	Not available

Source1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Maker current connector graphic identifies front Type-C data 10 Gbps and Type-A USB 3.2 10 Gbps, plus a 3.5 mm jack. Exact TechRadar specifies USB 3.2 Gen2 for both. The microphone array and CMOS reset hole are not ports.2Owner's manualdr.bee-link.cn/uploads/Users-Manual/SER9-Users-Manual_2024-11-11_12-41-37.pdfRead 8 October 2026English printed page 1 shows power button, CMOS pinhole, one audio jack, one Type-C, one Type-A and four microphone apertures. Printed page 2 shows complete rear physical socket positions. The manual does not establish all USB or HDMI versions, which need the current maker and exact reviews.6Reviewtechradar.com/computing/beelink-ser9-pro-mini-pc-reviewRead 10 October 2026

BGMKtec NucBox M6 Ultra

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4
USB-C	USB4	1	40	USB4
USB-A	USB 3.2 Gen 2	2	10	Not available
3.5 mm audio	CTIA combo jack	1	Not available	Not available

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026External Ports row and feature text: front USB4 (40 Gbps, PD input up to 100 W, DP video output), two of the three USB 3.2 Gen2 ports, 3.5mm CTIA audio jack. The front/rear split of the USB-A ports comes from the manual front view and the TechRadar and Wccftech reviews. The maker says the USB4 port takes PD input, so no power output is stored. The reset button and the power button are not ports.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Front View: USB 3.2 (Gen2) 10 Gbps, USB4 with 40 Gbps data, PD power input up to 100 W and DP output up to 4K@60Hz, 3.5mm CTIA audio.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Design section: USB4 port, two USB 3.2 Gen 2 ports and a 3.5mm headphone jack on the front, with the reset jack and power switch.

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.

ABeelink SER9 Pro (H 255)

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	DP Alt Mode	Connected to
USB-A	USB 2.0	2	0.48	Not available	Not available	Motherboard
USB-A	USB 3.2 Gen 2	1	10	Not available	Not available	Motherboard
USB-C	USB4	1	40	USB4	Yes	Motherboard
HDMI	Not available	1	Not available	Not available	Not available	Motherboard
DisplayPort	1.4	1	Not available	Not available	Not available	Motherboard
Ethernet (RJ45)	Not available	1	2.5	Not available	Not available	Motherboard
3.5 mm audio	Not available	1	Not available	Not available	Not available	Motherboard
DC in	19 V input	1	Not available	Not available	Not available	Motherboard

Source1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Rear physical I / O is one USB4 40 Gbps Type-C with DisplayPort 1.4 video, two USB 2.0 480 Mbps Type-A, one USB 3.2 10 Gbps Type-A, one HDMI, one physical DisplayPort 1.4, one 2.5 GbE and one 3.5 mm jack plus DC input. TB3 wording means compatibility, not Thunderbolt 4 / 5 certification. HDMI revision is omitted: Windows Central calls it 2.1, GSMArena calls it 2.0, and exact current maker does not state a revision. Maker advertises HDMI and DP up to 4K 240 Hz, with signal depth, chroma and DSC conditions unstated. Those are output claims, not measured game FPS or proof of every timing. USB-C output power rating is not stated.2Owner's manualdr.bee-link.cn/uploads/Users-Manual/SER9-Users-Manual_2024-11-11_12-41-37.pdfRead 8 October 20266Reviewtechradar.com/computing/beelink-ser9-pro-mini-pc-reviewRead 10 October 2026Exact H 255 / 32 GB LPDDR5X-6400 / 1 TB specification lists DP 1.4, USB4 and physical socket types. An added Samsung 9100 Pro 4 TB drive and optional Mate SE are discussed separately. Its benchmark target and complete changed storage configuration are not proven, so its measured results are not copied. Literal HDMI 4K 249 Hz appears to be a typo and is not used.

BGMKtec NucBox M6 Ultra

Type	Version	Count	Max stated link rate (Gbps)	Connected to
USB-A	USB 3.2 Gen 2	1	10	Motherboard
USB-A	USB 2.0	1	0.48	Motherboard
HDMI	2.0	1	Not available	Motherboard
DisplayPort	1.4	1	Not available	Motherboard
Ethernet (RJ45)	2.5 Gigabit Ethernet	2	2.5	Motherboard
DC in	19 V, 6.32 A	1	Not available	Motherboard

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026External Ports row: 1 x USB 3.2 Gen2 and 1 x USB 2.0 on the rear, HDMI 2.0 (up to 4K@60Hz), DisplayPort 1.4 (feature list), 2 x RJ45 2.5G, DC IN (5.5/2.5 mm barrel). A security lock slot on the rear (manual, TechRadar) is not stored.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Back View, pages 5 and 6: USB 2.0 (480 Mbps), USB 3.2 (Gen2) 10 Gbps, DP up to 8K@60Hz, HDMI up to 4K@60Hz, RJ45 LAN, DC IN, computer lock.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Design section: security lock, a USB 2.0, a USB 3.2 Gen 2, DisplayPort, HDMI 2.0, Ethernet 2.5Gbps and the power-in socket.

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.

1=CalculatedFrom User-facing ports

1=CalculatedFrom User-facing ports

Rear USB ports

4=CalculatedFrom Rear ports

2=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

Not available

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

3 of 6 differ

Wi-Fi

Wi-Fi 61Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Wi-Fi 6E1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Network row: Wi-Fi 6E (up to 2.4Gbps).2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications: Wi-Fi 6E 802.11 a/b/g/n/ac/ax.

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 GHz4Maker product pageintel.com/content/www/us/en/products/sku/189347/intel-wifi-6-ax200-gig/specifications.htmlRead 8 October 2026Beelink fixes installed WLAN to Intel AX200. Intel explicitly lists 2.4 and 5 GHz bands and 160 MHz support, with Bluetooth 5.2. No 6 GHz band is inferred.

Not available

Wi-Fi module

Intel AX2001Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

MediaTek RZ6167Spec databasestarryhope.com/minipcs/models/gmktec-m6-ultraRead 14 October 2026Page says Wi-Fi 6E comes from a MediaTek RZ616 card with Bluetooth 5.2. No teardown photo of the card was found. RZ616 is AMD's name for the MediaTek MT7922.

Wi-Fi antenna

Not available

Not available

Bluetooth

5.21Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

5.21Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Network row: Bluetooth 5.2.

Ethernet controller

Not available

Not available

Camera and audio

3 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.

21Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Exact H 255 page states Built-in Dual-Speakers. Its Product Structure drawing shows two separate circular acoustic drivers in the internal module, with no separate tweeter or woofer. Stored two counts the physical drivers, not stereo channels, whole speaker assemblies, a PC beeper or the optional dock.

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.

41Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Exact maker H 255 page explicitly states Quad-Array Microphones with Noise-Cancelling. Current front layout and the linked manual show its four individual microphone positions. Count four refers to built-in physical microphones, not beamforming channels or recording modes. No microphones from the optional dock are added.

Not available

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

Built-in dual speakers with DSP enhancement, Built-in microphone array with AI voice pickup, 360 degree pickup up to 5 m1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Functional Features and Specifications list built-in dual speakers and a built-in microphone with an AI chip for 360 degree pickup within 5 m. TechRadar adds that the speakers have DSP enhancement and the microphones form an array.

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 pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Windows 11 Pro1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Operating System row: Windows 11 Pro. The barebone configuration ships without an OS.

OS family

Windows1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026

Windows1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Windows 11 Pro.

Control software

Not available

Not available

Upgradeability

1 of 4 differ

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.

No8Maker product pagebee-link.com/pages/warranty-policyRead 10 October 2026Warranty exemptions say the warranty is invalidated if the customer modifies, customizes or exchanges parts of the product. Disassembly damage is also excluded. Opening the case for guided local maintenance on request of Beelink support does not affect the warranty. Global policy page, read on the US storefront.

Not available

Measured performance

7 of 8 differ

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

101points5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Cinebench 2024 single core 101 and multi core 907 on the review sample (Ryzen 7 H 255, 32 GB LPDDR5X-6400, 1 TB). The review does not name a BIOS power mode, so the out-of-the-box state is assumed.

Not available

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

907points5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026

Not available

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

2,508points5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Geekbench 6 CPU single core 2508 and multi core 12507. The minor version is not published. The review does not name a BIOS power mode. TechRadar reports Geekbench CPU 2548 single and 12711 multi without a version, which is not used.

Not available

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

12,507points5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026

Not available

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

3,084points6Reviewtechradar.com/computing/beelink-ser9-pro-mini-pc-reviewRead 10 October 2026Benchmark list for the reviewed Ryzen 7 H 255 / 32 GB / 1 TB unit: Time Spy graphics 3084 (overall 3440). The review does not name a BIOS power mode. The later 4 TB SSD added by the reviewer does not affect graphics.

Not available

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

528points6Reviewtechradar.com/computing/beelink-ser9-pro-mini-pc-reviewRead 10 October 2026Steel Nomad overall score 528 in the same benchmark list.

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.

5,200MB/s5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026CrystalDiskMark 9.0.1 x64, 1 GiB, 3 runs, SEQ1M Q8T1 read 5199.85 MB/s on the factory C: drive (screenshot in the review). Rounded to 5200. TechRadar's CrystalDiskMark read of 5185.72 MB/s does not state the test profile and is not used.

Not available

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.

Not available

Not available

Measured noise and temperature

1 of 6 differ

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

3.9GHz5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Review's own stress test. The CPU started at 54 W and 4.9 GHz, fell to about 38 W and 4.5 GHz, then 31 W and 4.3 GHz, and settled at 3.9 GHz and 42 W for the rest of the test. The stress workload is not named. All eight cores are the same Zen 4 type.

Not available

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

Not available

Not available

Measured power

1 of 6 differ

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

42W5Reviewgsmarena.com/beelink_ser9_pro_minipc_with_amd_ryzen_7_h_255_review-news-69847.phpRead 10 October 2026Settled CPU reading of 42 W in the same stress test. The sensor (CPU package or whole SoC) is not identified.

Not available

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.

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Copilot+ PC

No7Reviewnotebookcheck.net/Beelink-SER9-Pro-Ryzen-7-mini-PC-review-The-regular-non-Pro-version-is-faster.1087747.0.htmlRead 8 October 2026Exact H 255 review explicitly lists no Copilot+ support. Its AI microphone functions are not Copilot+ certification.

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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.

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Other certifications

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CCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Certifications row, verbatim: CCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report.

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.

SER9 Pro H 255 mini PC, User manual, HDMI cable, UK power adapter1Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Current maker exact H 255 section lists PC, user manual, HDMI cable and regional power adapter. UK plug is selected. Mate Mini / Mate SE expansion docks, extra SSDs, external keyboard, mouse and webcam are not standard box items. Built-in dual speakers and four microphones are hardware, not separately boxed peripherals.

User Manual, Warranty Card, Power Adapter, HDMI Cable, VESA Mount Bracket1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Packaging List row, verbatim: User Manual, Warranty Card, Power Adapter, HDMI Cable, VESA Mount Bracket. The barebone is the same box without RAM, SSD and OS.

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

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VESA bracket1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026VESA Mount Bracket is in the packaging list. No keyboard or mouse.

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.

3years8Maker product pagebee-link.com/pages/warranty-policyRead 10 October 2026Current official warranty gives three years / 36 months from delivery for direct-maker personal-use purchases. Exact current H 255 page also states three years. Older one-year review claims are not the current selected reference's warranty. Upgrade and disassembly-caused damage is excluded. Warranty after upgrade has its own note.

1year1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Spec table row Warranty: 1-Year Limited Warranty. US store banner also says 1-Year Warranty. A Singapore retailer advertises 3 years, which is a local warranty and is not stored.

Warranty service

Mail-in8Maker product pagebee-link.com/pages/warranty-policyRead 10 October 2026Published policy requires contact before returning a defective item and traceable shipment to the service provider. Mail-in is stored, not an on-site service promise.

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Links

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Product page

www.bee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-2551Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Exact current Shopify variant 47701525790962 is H 255, 32 GB soldered LPDDR5X-6400, 1 TB SSD, Frost Silver and UK adapter. It differs from the existing HX 370 / Radeon 890M model, the speakerless SER9, SER9 MAX, 24 GB references and OpenClaw versions. Maker selected SKU contains a localized colour / plug suffix, not a separately published physical hardware model number, so no invented English model code is stored.

www.gmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultra1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026

Spec sheet

www.bee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-2551Maker product pagebee-link.com/products/beelink-ser9-pro-amd-ryzen-7-h-255Read 10 October 2026Detailed Specifications section on this exact maker page. No separate current H 255 datasheet PDF was found. An unrelated stale Intel Celeron N5105 / DDR4 / SATA summary block on the page is excluded.

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Manual

dr.bee-link.cn/uploads/Users-Manual/SER9-Users-Manual_2024-11-11_12-41-37.pdf2Owner's manualdr.bee-link.cn/uploads/Users-Manual/SER9-Users-Manual_2024-11-11_12-41-37.pdfRead 8 October 2026Observed current H 255 page links this exact SER9 Pro User's Manual. Original maker booklet dated November 2024, with English printed pages 1-4 rendered and read. This shared enclosure booklet is used only for the physical layout and setup it documents, corroborated by the current H 255 page. No HX 370 CPU, RAM, adapter rating or benchmark is borrowed from it.

www.gmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdf2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026GMKtec NUCBOX M6 Ultra USER MANUAL 0630, 32 pages, English.

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.