ASUS ROG GR70 vs MSI Cubi NUC AI+ 3MG
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ASUS ROG GR70
Ryzen 9 9955HX3D / RTX 5070 Laptop / 32GB DDR5 / 2TB SSD / Windows 11 Home
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?
ASUS ROG GR70
Not available
MSI Cubi NUC AI+ 3MG
Not available
2Can it handle sustained work?
ASUS ROG GR70
Not available
MSI Cubi NUC AI+ 3MG
Not available
3Can it game?
ASUS ROG GR70
Not available
MSI Cubi NUC AI+ 3MG
Not available
4Is it loud or hot?
ASUS ROG GR70
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Turbo mode was too loud for the reviewer
Robtech found the default profile acceptable but the highest-performance mode too loud for his preference. His sample had 64GB memory and a PCIe 5.0 SSD. This is an attributed listening impression.
Robtech · 7:56 -
NerdNest found it generally quiet
NerdNest found the GR70 generally quiet, while acknowledging audible fans under heavy load. He said he left it in Turbo mode. This differs from Robtech’s impression; test conditions and the conflicting memory descriptions prevent a direct noise comparison.
NerdNest · 8:54
MSI Cubi NUC AI+ 3MG
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Turbo mode was too loud for the reviewer Not available
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NerdNest found it generally quiet Not available
5How much electricity does it use?
ASUS ROG GR70
Not available
MSI Cubi NUC AI+ 3MG
Not available
6Can I upgrade and connect everything?
ASUS ROG GR70
-
Memory is upgradeable Yes
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Storage is upgradeable Yes
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Second SSD slot lacked a thermal pad
Robtech found cooling on the populated PCIe 5.0 slot, but no thermal pad on the second PCIe 4.0 slot in his 64GB review unit.
Robtech · 2:40 -
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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Second SSD slot lacked a thermal pad Not available
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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?
ASUS ROG GR70
Not available
MSI Cubi NUC AI+ 3MG
Not available
8Will it be dependable?
ASUS ROG GR70
-
Ubuntu connected to Wi-Fi and Bluetooth
Robtech reported working wireless and Bluetooth in an Ubuntu check on his review configuration. The Ubuntu version, kernel and firmware were not specified.
Robtech · 3:17 -
Network boot stack was disabled by default Not available
MSI Cubi NUC AI+ 3MG
-
Ubuntu connected to Wi-Fi and Bluetooth 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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ASUS ROG. GR70-N90066AN US specifications. Product page. Accessed .
Configuration: Ryzen 9 9955HX3D / RTX 5070 Laptop / 32GB DDR5 / 2TB SSD / Windows 11 Home
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Robtech. The FASTEST AMD Ryzen Gaming Mini PC (3L) - ASUS ROG NUC GR70. Video review. . Accessed .
Configuration: Ryzen 9 9955HX3D / RTX 5070 Laptop 8GB / 64GB DDR5-5600 / PCIe 5.0 NVMe SSD, capacity unconfirmed / Windows 11 Home; Ubuntu version unconfirmed. Silent, default and Turbo modes tested; firmware version unconfirmed.
Disclosure: Loan review sample and affiliate links disclosed.
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NerdNest. PS5 Size, PC Power: The ASUS ROG GR70 is INSANE. Video review. . Accessed .
Configuration: Ryzen 9 9955HX3D / RTX 5070 Laptop. Video states 64GB RAM; updated description instead identifies 32GB/2TB. Exact memory, SSD and Windows edition unresolved. Turbo mode used; firmware unconfirmed.
Disclosure: Hardware provided by ASUS; reviewer states ASUS did not sponsor the video.
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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 ASUS ROG GR70
- Provides 2 storage slots versus 1
Higher listed specifications for MSI Cubi NUC AI+ 3MG
- Uses a smaller 0.51 liter enclosure
Verified specifications
Manufacturer-sourced specifications and current testing status
Processor
| Specification | ROG GR70 | Cubi NUC AI+ 3MG |
|---|---|---|
| CPU | AMD Ryzen 9 9955HX3D | Intel Core Ultra 9 386H |
| Cores / threads | 16 / 32 | 16 / 16 |
| Processor default TDP | 70 W | Not disclosed |
| Integrated graphics | NVIDIA GeForce RTX 5070 Laptop GPU; AMD Radeon 610M integrated graphics | Intel Graphics |
Memory and storage
| Specification | ROG GR70 | Cubi NUC AI+ 3MG |
|---|---|---|
| Memory type | DDR5-5600 SO-DIMM, 2 x 16GB | DDR5 SO-DIMM |
| Maximum memory | 96 GB | 96 GB |
| Upgradeable memory | Yes | Yes |
| Storage slots | 2 | 1 |
Connectivity
| Specification | ROG GR70 | Cubi NUC AI+ 3MG |
|---|---|---|
| Ethernet | 1 x 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 | ROG GR70 | Cubi NUC AI+ 3MG |
|---|---|---|
| Enclosure volume | 3 liters | 0.51 liters |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |