Beelink SER9 Pro H255 vs GMKtec NucBox K15
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Beelink SER9 Pro H255
H255 / 24GB LPDDR5X-6400 / 1TB SSD / Windows 11 Pro / Frost Silver / US adapter
GMKtec NucBox K15
Core Ultra 5 125U / 32GB DDR5 / 1TB SSD / Windows 11 Pro / metallic gray and black / 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 K15
Not available
2Can it handle sustained work?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K15
Not available
3Can it game?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K15
Not available
4Is it loud or hot?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K15
Not available
5How much electricity does it use?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K15
Not available
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
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Opening the case requires care around the fan cable Not available
GMKtec NucBox K15
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Memory is upgradeable Yes
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Storage expansion Not available
-
USB4 Not available
-
Speaker assembly during disassembly Not available
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Storage is upgradeable Yes
-
Opening the case requires care around the fan cable
Team Pandory demonstrated removing the feet, metal cover and case screws to reach the replaceable memory and SSDs. The upper fan remains connected to the mainboard as the case opens, so the cable needs care during access.
Team Pandory · 12:02
7Is it good value?
Beelink SER9 Pro H255
Not available
GMKtec NucBox K15
Not available
8Will it be dependable?
Beelink SER9 Pro H255
-
Ubuntu detected the main devices Not available
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Batocera 42 connected to Wi-Fi and a controller Not available
GMKtec NucBox K15
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Ubuntu detected the main devices
Lon.TV reported working video, audio, Bluetooth, networking and Wi-Fi during an Ubuntu test on his 32GB/1TB K15. The distribution version was not specified, so this does not establish compatibility with every Linux release.
Lon.TV · 9:02 -
Batocera 42 connected to Wi-Fi and a controller
Team Pandory reported that Batocera 42 booted and connected to Wi-Fi and a Bluetooth controller on his 48GB/1TB K15. This is a basic compatibility check on that configuration.
Team Pandory · 9:44
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 K15 specifications and US configuration. Product page. Accessed .
Configuration: Core Ultra 5 125U / 32GB DDR5 / 1TB SSD / Windows 11 Pro / metallic gray and black / US plug
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Lon.TV. GMKTec K15 Mini PC Review - The "Toyota Camry" Mini PC With Plenty of Upgrade Options. Video review. . Accessed .
Configuration: Core Ultra 5 125U / 32GB DDR5-4800 / 1TB NVMe SSD. Windows edition and firmware version unconfirmed; Ubuntu version unspecified. Performance mode used.
Disclosure: Free review unit and affiliate links disclosed; no other payment for coverage.
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Team Pandory. This Mini PC Runs Shockingly Cool and Quiet [GMKTEC K15 Review]. Video review. . Accessed .
Configuration: Core Ultra 5 125U / 48GB DDR5-4800 / 1TB NVMe SSD / Windows 11 Pro; Batocera 42 also tested. Firmware version unconfirmed.
Disclosure: Free review unit and affiliate links disclosed; no other payment for coverage.
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 K15
- Provides 3 storage slots versus 2
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | SER9 Pro H255 | NucBox K15 |
|---|---|---|
| CPU | AMD Ryzen 7 H 255 | Intel Core Ultra 5 125U |
| Cores / threads | 8 / 16 | 12 / 14 |
| Processor default TDP | Not disclosed | Not disclosed |
| Integrated graphics | AMD Radeon 780M | Intel Graphics |
Memory and storage
| Specification | SER9 Pro H255 | NucBox K15 |
|---|---|---|
| Memory type | LPDDR5X-6400 (soldered) | DDR5 SO-DIMM; up to 5600 MT/s supported |
| Maximum memory | Not published | 96 GB |
| Upgradeable memory | No | Yes |
| Storage slots | 2 | 3 |
Connectivity
| Specification | SER9 Pro H255 | NucBox K15 |
|---|---|---|
| Ethernet | 2.5Gb Ethernet | 2 x 2.5GbE, Realtek RTL8125BG |
| Wireless | Intel AX200 Wi-Fi 6; Bluetooth 5.2 | MediaTek RZ616 / MT7922 Wi-Fi 6E and Bluetooth 5.2 |
| USB4 | Yes | Yes |
| Thunderbolt | Not published | Not published |
Size and price
| Specification | SER9 Pro H255 | NucBox K15 |
|---|---|---|
| Enclosure volume | Not published | Not published |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |