Desktop PCs / Compare

Beelink SER9 Pro (H 255) vs GMKtec NucBox M5 Ultra

A

Product A: Beelink

SER9 Pro (H 255)

79 of 160 known

Change Beelink SER9 Pro (H 255)

Compare the GMKtec NucBox M5 Ultra with

Search desktop PCs

B

Product B: GMKtec

NucBox M5 Ultra

65 of 160 known

Change GMKtec NucBox M5 Ultra

Compare the Beelink SER9 Pro (H 255) with

Search desktop PCs

All 160 fields

Every value links to where we found it.

Only differences

ABeelink SER9 Pro (H 255)

BGMKtec NucBox M5 Ultra

General

4 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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The maker tags the page M. It sits in the NucBox M line next to the M5S, M5 Plus and M6 Ultra. The existing M6 Ultra entry uses the same series name.

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

Not available

M5 ULTRA-0-44S, M5 ULTRA-0-44U, M5 ULTRA-0-44K, M5 ULTRA-0-44A2Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc.jsonRead 15 October 2026The maker's Shopify product feed lists SKUs M5 ULTRA-0-44S (US), -44U (EU), -44K (UK) and -44A (AU) for the 32GB RAM + 1TB SSD variant. The EU store uses the SKU M5 ULTRA-0-44U-EU2 for the same variant. The barebone SKUs end in -00 and the 16GB + 512GB SKUs end in -33.

GTIN / EAN

Not available

Not available

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

Not available

19 September 20254Press articleithome.com/0/884/580.htmRead 15 October 2026Published 2025-09-21. It says GMK announced the NucBox M5 Ultra on 19 September.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The US store page says Available in stock. The 32GB RAM + 1TB SSD variant showed as sold out or unavailable when read. The product is still listed and the barebone variant is in stock.

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, AU2Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc.jsonRead 15 October 2026The four power plug variants are US, EU, UK and AU.3Maker product pagede.gmktec.com/en/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730uRead 15 October 2026The EU store sells the same model with the EU plug.

ColoursiThe maker's own colour names

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

Not available

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The maker sells it as a mini PC.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The maker's 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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Chassis dimensions 128.8 x 127 x 47.8 mm. The page does not say whether feet are included.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Width 128.8 mm, height 47.8 mm, depth 127 mm.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Weight 528g, listed as approximately 528g. The configuration is not stated. Starry Hope calls 0.53 kg the barebones weight, so the weight with RAM and SSD may be higher.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 20261.16 lbs (0.53 kg), described as the barebones weight.

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.

Plastic6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026The review says the case is entirely built from plastic.

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.

Not available

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

1 of 9 differ

Motherboard

Not available

Not available

Chipset

Not available

Not available

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

Not available

Not available

CPU socket

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

FP65Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026FP6.

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

11 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 7 7730U1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The spec table names the AMD Ryzen 7 7730U with 8 cores, 16 threads, 2.0 GHz base and up to 4.5 GHz boost. The page says Zen 3 and TSMC 7nm FinFET. The shared table also lists the M5S.

Processor brand

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

AMD5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 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.

Barcelo-R5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026Former codename Barcelo R. Architecture Zen 3.

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 M5 Ultra

Core type	Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
Performance	8	Zen 3	2	4.5

Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20268 cores, base 2.0 GHz, boost up to 4.5 GHz. All cores are Zen 3 cores of one type.5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 20268 cores, base 2 GHz, up to 4.5 GHz boost.

CPU cores

8=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

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

Not available

8=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

161Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20265Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 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.

4.9GHz=CalculatedFrom Core configuration

4.5GHz=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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20264MB L2 and 16MB L3 cache.5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026L3 16 MB. L2 is 4 MB.

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.

7nm1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026TSMC 7nm FinFET.5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026TSMC 7nm 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.

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.

15W5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 October 2026Default TDP 15 W. The PC maker's configured peak is 35 W.

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

35W1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Performance modes: Silent 10W, Balanced 15W and Performance 35W. Peak power is listed as 35W.

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.

No5Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-7-7730u.htmlRead 15 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.

Not available

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 Graphics1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026AMD Radeon Graphics with 8 GPU cores, up to 2000MHz. Reviews call it Vega 8.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Cooling system: copper heat pipe plus dual-fan cooling design. The cooler model is not stated.

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 M5 Ultra

Position	Fan rotors
Top	1

Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The maker lists a dual-fan design. One fan is the CPU cooler fan. TechRadar's teardown describes a second fan under the top plate that blows air over the memory and SSD. Only that fan is stored, because standalone CPU cooler fans are not counted. Its size is not stated.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Taking off the top reveals four screws that hold a plastic fan mount blowing air on the system. The fan's size is not stated.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026

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

8 of 11 differ

RAM

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

32GB6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Review sample: 32GB DDR4-3200 (16GB x 2).8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026The 32GB / 1TB version lists 32 GB DDR4 SO-DIMM, 2-channel (2x16GB DDR4-3200).

RAM type

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

DDR41Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026DDR4-3200, 2 x SO-DIMM slots, dual-channel.

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.

3,200MT/s1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026DDR4-3200.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Two SO-DIMM slots, up to 64GB (32GB x 2).

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 M5 Ultra

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

Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20262 x SO-DIMM slots. The 32GB RAM + 1TB SSD variant is stored as 2 x 16 GB, as TechRadar's review unit and Starry Hope's listing show. The maker sells barebone, 16GB + 512GB and 32GB + 1TB variants. Only the 32GB + 1TB variant is stored.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Two SODIMM slots for DDR4, occupied by two 16GB modules on the review unit. The Ryzen 7 7730U addresses up to 64GB.

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.

64GB1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Maximum memory: up to 64GB (32GB x 2).

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.

Not available

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 M5 Ultra

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

Source6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Review sample: 1TB M.2 2280 PCIe Gen 3 SSD. The drive maker and model are not stated. Stored as 1000 decimal GB.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026The 32GB / 1TB version lists a 1 TB NVMe SSD.

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 M5 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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 20262 x M.2 2280 slots. Slot 1 takes SATA or PCIe 3.0 x4 and slot 2 takes PCIe 3.0 x4. Up to 8TB per SSD. One slot is stored as occupied, because the system has one SSD. The page does not say which slot holds it. The page lists a 512GB SSD pre-installed, which fits the 16GB + 512GB variant.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Two M.2 slots, both only PCIe Gen 3. The review unit has one unused 2280 NVMe slot.

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

65W1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Power: DC 19V / 3.42A. This is 65 W when rounded and TechRadar lists it as 65W. The USB-C port is also listed with a 100W PD input.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Spec table: PSU 19V 3.42A 65W.

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 adapter1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026External adapter. The package list names a power adapter.

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

Front6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Design section: the USB ports are liberally distributed with Type-A and Type-C on the front.

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 M5 Ultra

Type	Version	Count	Max stated link rate (Gbps)
USB-C	USB 3.2 Gen 2 with DisplayPort Alt Mode and Power Delivery	1	10
USB-A	USB 3.2 Gen 2	2	10
3.5 mm audio	CTIA headset jack	1	Not available

Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The page lists 2 x USB 3.2 Gen 2 Type-A (10Gbps), 1 x USB-C with USB 3.2 Gen 2 10Gbps and 100W PD input and DisplayPort Alt Mode (4K@60Hz), and a 3.5mm CTIA audio jack. Which ports are on the front comes from the maker's photo, TechRadar and Starry Hope.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Design section: both Type-A and Type-C ports are on the front, all USB 3.2 Gen 2 ports are on the front, and there is one USB-C port.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Front: 3.5mm jack, 2 x USB 3.1 and 1 x USB 3.1 Type C.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026Front: USB-C (USB 3.2 Gen 2, Power Delivery, DisplayPort Alt Mode), two USB-A 3.2 Gen 2 and a headphone-microphone combo jack.

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 M5 Ultra

Type	Version	Count	Max stated link rate (Gbps)	Connected to
USB-A	USB 2.0	2	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 barrel input (5.5/2.5 mm)	1	Not available	Motherboard

Source1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026The page lists 2 x USB 2.0 (480Mbps), 1 x HDMI 2.0 (4K@60Hz), 1 x DisplayPort 1.4 (up to 8K@60Hz), 2 x 2.5G RJ45 and a DC IN (5.5/2.5mm). The rear layout comes from the maker's photo and Starry Hope. The Kensington lock slot, reset button and power button are not ports.6Reviewtechradar.com/computing/gmktec-nucbox-m5-ultra-mini-pc-reviewRead 15 October 2026Design section: two USB 2.0 ports, one HDMI and one DisplayPort, and dual 2.5GbE LAN ports on the rear. The review calls the case VESA mountable.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Rear: 1 DisplayPort, 1 HDMI, 2 x USB 2.0 and 2 x RJ45.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026Rear: full-size HDMI, DisplayPort, two USB 2.0, two 2.5 Gigabit RJ45, a Kensington lock slot and the DC input.

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

4 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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Wi-Fi 6E, AMD RZ616, up to 2.4Gbps. Bands are not listed.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 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 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

AMD RZ6161Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Wi-Fi 6E, AMD RZ616. ITHome says RZ616 is the MediaTek Filogic 330, also known as MT7922.4Press articleithome.com/0/884/580.htmRead 15 October 2026AMD RZ616 is the MediaTek Filogic 330, also called 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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Bluetooth 5.2.7Retailer pageldlc.pro/fiche/PB00707681.htmlRead 15 October 2026Bluetooth 5.2.

Ethernet controller

Not available

Realtek RTL81251Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Dual 2.5G RJ45 LAN, Realtek RTL8125.

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Windows 11 Pro. The barebone variant has no operating system.

OS family

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

Windows1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026

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

Not available

Not available

Certifications

1 of 5 differ

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

Not available

Not available

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

Not available

Not available

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.

Not available

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

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

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, VESA Mount Bracket, HDMI Cable1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026Packaging list: User Manual, Warranty Card, Power Adapter, VESA Mount Bracket, HDMI Cable.8Spec databasestarryhope.com/minipcs/models/gmktec-nucbox-m5-ultraRead 15 October 2026Mini PC, power adapter, HDMI cable, VESA mount with screws and user manual.

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

Not available

VESA bracket1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026A VESA mount bracket is in the packaging list. Its size is not stated.

Warranty

2 of 2 differ

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 October 2026

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.

Not available

Links

Not compared

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/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pc1Maker product pagegmktec.com/products/gmktec-nucbox-m5-ultra-amd-ryzen-7-7730u-mini-pcRead 15 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.

Not available

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.

Not available

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.

Not available

Not available

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