MSI Cubi NUC AI+ 3MG
The Cubi NUC AI+ 3MG is a 0.51-liter business mini PC with replaceable DDR5 memory, dual 2.5GbE and two Thunderbolt 4 ports. This US edition pairs the Core Ultra 9 386H with 16GB memory, a 1TB SSD and Windows 11 Pro.
Image: MSI
- Configuration
- Core Ultra 9 386H / 16GB DDR5 / 1TB SSD / Windows 11 Pro
- Processor
- Core Ultra 9 386H
- Graphics
- Intel Graphics
- Memory
- Up to 96 GB
- Storage
- 1 slot
- Current pricing
- Check price Affiliate link
1Is it fast for normal work?
No verified evidence yet.
2Can it handle sustained work?
No verified evidence yet.
3Can it game?
No verified evidence yet.
4Is it loud or hot?
No verified evidence yet.
5How much electricity does it use?
No verified evidence yet.
6Can I upgrade and connect everything?
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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?
No verified evidence yet.
8Will it be dependable?
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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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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.
Processor and graphics
| Processor | Intel Core Ultra 9 386H |
|---|---|
| CPU layout | 16 cores / 16 threads |
| Processor default TDP | Not disclosed |
| Integrated graphics | Intel Graphics |
Memory and storage
| Memory type | DDR5 SO-DIMM |
|---|---|
| Maximum memory | 96 GB |
| Upgradeable | Yes |
| Storage slots | 1 |
Connectivity and size
| Ethernet | 2 x Intel I226-V 2.5GbE |
|---|---|
| Wireless | Wi-Fi 7; adapter model and Bluetooth version unconfirmed for this SKU |
| USB4 | Yes |
| Thunderbolt | Yes |
| Enclosure volume | 0.51 liters |
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Specifications only · Source: MSI · Last checked Sep 6, 2026