Beelink SER9 Pro H255 vs GMKtec NucBox G3 Plus
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Beelink SER9 Pro H255
H255 / 24GB LPDDR5X-6400 / 1TB SSD / Windows 11 Pro / Frost Silver / US adapter
GMKtec NucBox G3 Plus
Intel N150 / 16GB DDR4 / 512GB SSD / Windows 11 Pro / US plug
Amazon results may include other models. Verify the processor, memory, storage, and seller before buying.
| Memory | ||
|---|---|---|
| Storage |
1Is it fast for normal work?
Beelink SER9 Pro H255
Not available
GMKtec NucBox G3 Plus
Not available
2Can it handle sustained work?
Beelink SER9 Pro H255
Not available
GMKtec NucBox G3 Plus
Not available
3Can it game?
Beelink SER9 Pro H255
Not available
GMKtec NucBox G3 Plus
Not available
4Is it loud or hot?
Beelink SER9 Pro H255
-
Memory-heavy stress exposed a cooling limit Not available
GMKtec NucBox G3 Plus
-
Memory-heavy stress exposed a cooling limit
Jeff Geerling reported overheating and inconsistent results in a 7-Zip benchmark on his review unit. Repasting did not fully resolve his concern; removing the cover and adding airflow let him complete consistent comparisons. His later benchmark results use that modified cooling setup.
Jeff Geerling · 7:31
5How much electricity does it use?
Beelink SER9 Pro H255
Not available
GMKtec NucBox G3 Plus
Not available
6Can I upgrade and connect everything?
Beelink SER9 Pro H255
-
Memory is upgradeable No
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Storage expansion Yes
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USB4 Yes
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Speaker assembly during disassembly
Retro Game Corps shows the speaker assembly attached to the inner dust cover during disassembly of his 32GB SER9 Pro.
Retro Game Corps · 6:31 -
Storage is upgradeable Not available
GMKtec NucBox G3 Plus
-
Memory is upgradeable Yes
-
Storage expansion Not available
-
USB4 Not available
-
Speaker assembly during disassembly Not available
-
Storage is upgradeable Yes
7Is it good value?
Beelink SER9 Pro H255
Not available
GMKtec NucBox G3 Plus
Not available
8Will it be dependable?
Beelink SER9 Pro H255
-
Ubuntu detected the main devices Not available
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A newer Linux kernel enabled graphics benchmarks Not available
GMKtec NucBox G3 Plus
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Ubuntu detected the main devices
Lon.TV reported working display, audio, Wi-Fi, Ethernet and Bluetooth after installing Ubuntu on his 16GB/512GB G3 Plus. The Ubuntu version was not specified, so this is limited to his tested setup.
Lon.TV · 10:32 -
A newer Linux kernel enabled graphics benchmarks
Jeff Geerling could not run some GPU benchmarks with his initial Ubuntu setup. Updating to Linux 6.12 enabled GLMark2 and GravityMark. His published system record identifies Ubuntu 24.04 with kernel 6.12.3 and a replacement SSD.
Jeff Geerling · 6:01
References
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Beelink. SER9 Pro H255 specifications and configuration selector. Product page. Accessed .
Configuration: H255 / 24GB LPDDR5X-6400 / 1TB SSD / Windows 11 Pro / Frost Silver / US adapter
Disclosure: Manufacturer specifications; performance has not been independently measured.
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Retro Game Corps. Beelink SER9 Pro: Best $500 Mini PC Right Now. Video review. . Accessed .
Configuration: SER9 Pro H255 / 32GB LPDDR5X / 1TB SSD; differs from this 24GB configuration.
Disclosure: Manufacturer supplied the unit. Reviewer states no payment or advance review; affiliate links disclosed.
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GMKtec. NucBox G3 Plus specifications and US configuration. Product page. Accessed .
Configuration: Intel N150 / 16GB DDR4 / 512GB SSD / Windows 11 Pro / US plug
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Lon.TV. My Favorite Cheap Mini PC Gets an N150 Upgrade! GMKTec G3 Plus Review. Video review. . Accessed .
Configuration: Intel N150 / 16GB DDR4-3200 / 512GB NVMe SSD / Windows 11 Pro. Ubuntu tested; version and firmware unconfirmed. Green review unit.
Disclosure: Reviewer purchased the G3 Plus; no payment for the review. Compensated affiliate links disclosed.
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Jeff Geerling. When did Raspberry Pis get so expensive?. Video review. . Accessed .
Configuration: Intel N150 / 16GB DDR4 / original 512GB AirDisk SSD replaced by a 1TB TeamGroup TM8FP4001T for Ubuntu 24.04 testing, Linux 6.12.3. Balanced and High Performance modes; firmware version unconfirmed.
Disclosure: GMKtec supplied the review unit but did not pay for the video. Reviewer states no GMKtec affiliate participation; Amazon affiliate links disclosed. Supporting system configuration record: https://github.com/geerlingguy/sbc-reviews/issues/64
Value for money
No value comparison is available. It requires eligible test scores and at least four current price observations in seven days.
Specification differences
Differences supported by the listed manufacturer specifications
Higher listed specifications for Beelink SER9 Pro H255
Higher listed specifications for GMKtec NucBox G3 Plus
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | SER9 Pro H255 | NucBox G3 Plus |
|---|---|---|
| CPU | AMD Ryzen 7 H 255 | Intel N150 |
| Cores / threads | 8 / 16 | 4 / 4 |
| Processor default TDP | Not disclosed | Not disclosed |
| Integrated graphics | AMD Radeon 780M | Intel UHD Graphics |
Memory and storage
| Specification | SER9 Pro H255 | NucBox G3 Plus |
|---|---|---|
| Memory type | LPDDR5X-6400 (soldered) | DDR4-3200 SO-DIMM |
| Maximum memory | Not published | 32 GB |
| Upgradeable memory | No | Yes |
| Storage slots | 2 | 2 |
Connectivity
| Specification | SER9 Pro H255 | NucBox G3 Plus |
|---|---|---|
| Ethernet | 2.5Gb Ethernet | 1 x 2.5GbE, Intel i226-V |
| Wireless | Intel AX200 Wi-Fi 6; Bluetooth 5.2 | Realtek 8852BE Wi-Fi 6 and Bluetooth 5.2 |
| USB4 | Yes | No |
| Thunderbolt | Not published | No |
Size and price
| Specification | SER9 Pro H255 | NucBox G3 Plus |
|---|---|---|
| Enclosure volume | Not published | Not published |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |