GEEKOM GT15 Max vs MSI Cubi NUC AI+ 3MG
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GEEKOM GT15 Max
Core Ultra 9 285H / 32GB DDR5 / 1TB SSD / Windows 11 Pro / dark gray chassis / US market
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?
GEEKOM GT15 Max
Not available
MSI Cubi NUC AI+ 3MG
Not available
2Can it handle sustained work?
GEEKOM GT15 Max
Not available
MSI Cubi NUC AI+ 3MG
Not available
3Can it game?
GEEKOM GT15 Max
Not available
MSI Cubi NUC AI+ 3MG
Not available
4Is it loud or hot?
GEEKOM GT15 Max
Not available
MSI Cubi NUC AI+ 3MG
Not available
5How much electricity does it use?
GEEKOM GT15 Max
Not available
MSI Cubi NUC AI+ 3MG
Not available
6Can I upgrade and connect everything?
GEEKOM GT15 Max
-
Memory is upgradeable Yes
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Storage is upgradeable Yes
-
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
-
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?
GEEKOM GT15 Max
Not available
MSI Cubi NUC AI+ 3MG
Not available
8Will it be dependable?
GEEKOM GT15 Max
-
Network boot stack was disabled by default Not available
MSI Cubi NUC AI+ 3MG
-
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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GEEKOM. GT15 Max specifications and US retail configuration. Product page. Accessed .
Configuration: Core Ultra 9 285H / 32GB DDR5 / 1TB SSD / Windows 11 Pro / dark gray chassis / US market
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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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 GEEKOM GT15 Max
- Supports 32 GB more memory
- 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 | GT15 Max | Cubi NUC AI+ 3MG |
|---|---|---|
| CPU | Intel Core Ultra 9 285H | Intel Core Ultra 9 386H |
| Cores / threads | 16 / 16 | 16 / 16 |
| Processor default TDP | 45 W | Not disclosed |
| Integrated graphics | Intel Arc 140T | Intel Graphics |
Memory and storage
| Specification | GT15 Max | Cubi NUC AI+ 3MG |
|---|---|---|
| Memory type | DDR5 SO-DIMM | DDR5 SO-DIMM |
| Maximum memory | 128 GB | 96 GB |
| Upgradeable memory | Yes | Yes |
| Storage slots | 2 | 1 |
Connectivity
| Specification | GT15 Max | Cubi NUC AI+ 3MG |
|---|---|---|
| Ethernet | 2 × 2.5GbE | 2 x Intel I226-V 2.5GbE |
| Wireless | Wi-Fi 7 and Bluetooth 5.4 | Wi-Fi 7; adapter model and Bluetooth version unconfirmed for this SKU |
| USB4 | Yes | Yes |
| Thunderbolt | Not published | Yes |
Size and price
| Specification | GT15 Max | Cubi NUC AI+ 3MG |
|---|---|---|
| Enclosure volume | Not published | 0.51 liters |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |