GMKtec NucBox K11 vs MSI Cubi NUC AI+ 3MG
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GMKtec NucBox K11
Ryzen 9 8945HS / 32GB DDR5 / 1TB SSD / Windows 11 Pro / black chassis / US plug
MSI Cubi NUC AI+ 3MG
Core Ultra 9 386H / 16GB DDR5 / 1TB SSD / Windows 11 Pro
Amazon results may include other models. Verify the processor, memory, storage, and seller before buying.
| Memory | ||
|---|---|---|
| Storage |
1Is it fast for normal work?
GMKtec NucBox K11
Not available
MSI Cubi NUC AI+ 3MG
Not available
2Can it handle sustained work?
GMKtec NucBox K11
Not available
MSI Cubi NUC AI+ 3MG
Not available
3Can it game?
GMKtec NucBox K11
Not available
MSI Cubi NUC AI+ 3MG
Not available
4Is it loud or hot?
GMKtec NucBox K11
Not available
MSI Cubi NUC AI+ 3MG
Not available
5How much electricity does it use?
GMKtec NucBox K11
Not available
MSI Cubi NUC AI+ 3MG
Not available
6Can I upgrade and connect everything?
GMKtec NucBox K11
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Memory is upgradeable Yes
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Storage is upgradeable Yes
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Security lock also restricts bottom access Not available
MSI Cubi NUC AI+ 3MG
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Memory is upgradeable Yes
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Storage is upgradeable Yes
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Security lock also restricts bottom access
Level1Techs showed that the Kensington lock opening also secures the bottom cover, restricting access to memory and storage. The reviewed unit had 32GB memory rather than this SKU’s 16GB.
Level1Techs · 1:13
7Is it good value?
GMKtec NucBox K11
Not available
MSI Cubi NUC AI+ 3MG
Not available
8Will it be dependable?
GMKtec NucBox K11
-
Wireless worked in Robtech’s test
Robtech reported working Bluetooth and a full Valorant session over 5GHz Wi-Fi without network warnings. His router was about 12 metres away. He cautioned that one successful sample does not establish consistent wireless performance across units.
Robtech · 8:09 -
Wi-Fi struggled in Team Pandory’s test
Team Pandory could not complete an online speed test using the original Intel AX200 wireless card in his setup. Replacing it with a MediaTek RZ616 allowed the test to run. This differs from Robtech’s experience; their networks and units were not tested under identical conditions.
Team Pandory · 15:22 -
Batocera 41 connected to wireless devices
Team Pandory reported that Batocera 41 booted, connected to the local Wi-Fi network and paired with a Bluetooth controller. This checks basic connectivity on that review unit, not sustained wireless throughput or every Linux distribution.
Team Pandory · 10:03 -
Network boot stack was disabled by default Not available
MSI Cubi NUC AI+ 3MG
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Wireless worked in Robtech’s test Not available
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Wi-Fi struggled in Team Pandory’s test Not available
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Batocera 41 connected to wireless devices Not available
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Network boot stack was disabled by default
Level1Techs showed the UEFI network stack disabled in BIOS EB211IMS.1A20 and explained that it must be enabled for network boot. Firmware defaults can change.
Level1Techs · 8:17
References
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GMKtec. NucBox K11 specifications and US configuration. Product page. Accessed .
Configuration: Ryzen 9 8945HS / 32GB DDR5 / 1TB SSD / Windows 11 Pro / black chassis / US plug
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Robtech. GMKtec's Best Mini Yet! K11 Mini PC Review. Video review. . Accessed .
Configuration: Ryzen 9 8945HS / 32GB DDR5-5600 / 1TB Crucial NVMe SSD / Windows 11 Pro; firmware version unconfirmed.
Disclosure: Free review sample and affiliate links disclosed.
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Team Pandory. Uncovering the GMKtec K11: Ryzen 9 8945HS Performance, Flaws & Fixes!. Video review. . Accessed .
Configuration: Ryzen 9 8945HS / 32GB (2 × 16GB) Crucial DDR5-5600 / 1TB Crucial P3 Plus / Windows 11 Pro 23H2; Batocera 41 also tested. Firmware version unconfirmed.
Disclosure: Free review sample and affiliate links disclosed.
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MSI. Cubi NUC AI+ 3MG US SKU specifications. Product page. Accessed .
Configuration: Core Ultra 9 386H / 16GB DDR5 / 1TB SSD / Windows 11 Pro
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Level1Techs. Finally! Panther Lake! A Quick Look at the Cubi NUC AI+ 3MG. Video review. . Accessed .
Configuration: Core Ultra 9 386H / 32GB DDR5-5600 / 1TB Phison SSD / Windows 11 Pro. BIOS EB211IMS.1A20 dated March 4, 2026 shown. Power profile unconfirmed.
Disclosure: Reviewer thanks MSI for access to the hardware; whether the unit was loaned or retained is unclear. Affiliate link disclosed.
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 GMKtec NucBox K11
- Provides 2 storage slots versus 1
Higher listed specifications for MSI Cubi NUC AI+ 3MG
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | NucBox K11 | Cubi NUC AI+ 3MG |
|---|---|---|
| CPU | AMD Ryzen 9 8945HS | Intel Core Ultra 9 386H |
| Cores / threads | 8 / 16 | 16 / 16 |
| Processor default TDP | Not disclosed | Not disclosed |
| Integrated graphics | AMD Radeon 780M | Intel Graphics |
Memory and storage
| Specification | NucBox K11 | Cubi NUC AI+ 3MG |
|---|---|---|
| Memory type | DDR5-5600 SO-DIMM | DDR5 SO-DIMM |
| Maximum memory | 96 GB | 96 GB |
| Upgradeable memory | Yes | Yes |
| Storage slots | 2 | 1 |
Connectivity
| Specification | NucBox K11 | Cubi NUC AI+ 3MG |
|---|---|---|
| Ethernet | 2 × 2.5GbE, Intel I226V | 2 x Intel I226-V 2.5GbE |
| Wireless | Intel AX200 Wi-Fi 6 and Bluetooth 5.2 | Wi-Fi 7; adapter model and Bluetooth version unconfirmed for this SKU |
| USB4 | Yes | Yes |
| Thunderbolt | Not published | Yes |
Size and price
| Specification | NucBox K11 | Cubi NUC AI+ 3MG |
|---|---|---|
| Enclosure volume | Not published | 0.51 liters |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |