Beelink SER9 Pro H255 vs GMKtec NucBox K16
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Beelink SER9 Pro H255
H255 / 24GB LPDDR5X-6400 / 1TB SSD / Windows 11 Pro / Frost Silver / US adapter
GMKtec NucBox K16
Ryzen 7 7735HS / 32GB LPDDR5 / 1TB SSD / Windows 11 Pro / metallic gray / 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 K16
Not available
2Can it handle sustained work?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K16
Not available
3Can it game?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K16
Not available
4Is it loud or hot?
Beelink SER9 Pro H255
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Fan was loud under load in Balanced mode Not available
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Fan was barely noticeable during Dota 2 Not available
GMKtec NucBox K16
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Fan was loud under load in Balanced mode
Team Pandory found the fan loud during gaming in Balanced mode on his 32GB/512GB K16, with more noise in Performance mode. This is an attributed observation, not a standardized noise measurement.
Team Pandory · 11:27 -
Fan was barely noticeable during Dota 2
Mash IT said he hardly noticed the fan while playing Dota 2 in Performance mode on his 32GB/1TB K16. His result differs from Team Pandory's load test; firmware and room conditions were not established as equivalent.
Mash IT · 8:07
5How much electricity does it use?
Beelink SER9 Pro H255
-
Booted from a USB-C power-delivery dock Not available
GMKtec NucBox K16
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Booted from a USB-C power-delivery dock
Mash IT unplugged the barrel power supply and powered the K16 from a 100W USB-C dock. This verifies that connection in his setup; it does not establish compatibility with every dock or sustained performance at every power limit.
Mash IT · 9:53
6Can I upgrade and connect everything?
Beelink SER9 Pro H255
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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 K16
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Memory is upgradeable No
-
Storage expansion Not available
-
USB4 Not available
-
Speaker assembly during disassembly Not available
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Storage is upgradeable Yes
7Is it good value?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K16
Not available
8Will it be dependable?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K16
Not available
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 K16 specifications and US configuration. Product page. Accessed .
Configuration: Ryzen 7 7735HS / 32GB LPDDR5 / 1TB SSD / Windows 11 Pro / metallic gray / US plug
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Team Pandory. GMKtec K16 Review: Premium Ryzen 7 Mini PC w/ Oculink. Video review. . Accessed .
Configuration: Ryzen 7 7735HS / 32GB LPDDR5-6400 / 512GB PCIe 3.0 SSD / Windows 11 Pro 24H2. Balanced and Performance modes tested; firmware version unconfirmed.
Disclosure: Free review unit and affiliate links disclosed; no other payment for coverage.
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Mash IT. GMKtec NucBox K16 - An affordable PC in 2026!!. Video review. . Accessed .
Configuration: Ryzen 7 7735HS / 32GB LPDDR5-6400 / 1TB SSD. Windows edition and firmware version unconfirmed; Performance mode used for Dota 2.
Disclosure: Affiliate links disclosed; review-unit acquisition unconfirmed.
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 K16
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | SER9 Pro H255 | NucBox K16 |
|---|---|---|
| CPU | AMD Ryzen 7 H 255 | AMD Ryzen 7 7735HS |
| Cores / threads | 8 / 16 | 8 / 16 |
| Processor default TDP | Not disclosed | Not disclosed |
| Integrated graphics | AMD Radeon 780M | AMD Radeon 680M |
Memory and storage
| Specification | SER9 Pro H255 | NucBox K16 |
|---|---|---|
| Memory type | LPDDR5X-6400 (soldered) | LPDDR5-6400 onboard |
| Maximum memory | Not published | 32 GB |
| Upgradeable memory | No | No |
| Storage slots | 2 | 2 |
Connectivity
| Specification | SER9 Pro H255 | NucBox K16 |
|---|---|---|
| Ethernet | 2.5Gb Ethernet | 2 x 2.5GbE, Realtek RTL8125BG |
| Wireless | Intel AX200 Wi-Fi 6; Bluetooth 5.2 | MediaTek RZ616 Wi-Fi 6E and Bluetooth 5.2 |
| USB4 | Yes | Yes |
| Thunderbolt | Not published | Not published |
Size and price
| Specification | SER9 Pro H255 | NucBox K16 |
|---|---|---|
| Enclosure volume | Not published | Not published |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |