ASUS ExpertCenter PN55 vs MSI Cubi NUC AI+ 3MG
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ASUS ExpertCenter PN55
Ryzen AI 7 450 / 32GB DDR5 / 1TB SSD / Windows 11 Pro / US SKU
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 ExpertCenter PN55
Not available
MSI Cubi NUC AI+ 3MG
Not available
2Can it handle sustained work?
ASUS ExpertCenter PN55
Not available
MSI Cubi NUC AI+ 3MG
Not available
3Can it game?
ASUS ExpertCenter PN55
Not available
MSI Cubi NUC AI+ 3MG
Not available
4Is it loud or hot?
ASUS ExpertCenter PN55
Not available
MSI Cubi NUC AI+ 3MG
Not available
5How much electricity does it use?
ASUS ExpertCenter PN55
Not available
MSI Cubi NUC AI+ 3MG
Not available
6Can I upgrade and connect everything?
ASUS ExpertCenter PN55
-
Memory is upgradeable Yes
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Storage is upgradeable Yes
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Case lock also restricts bottom-panel access
Level1Techs showed that the Kensington lock prevents access to the bottom panel on the reviewed 64GB unit.
Level1Techs · 2:15 -
Security lock also restricts bottom access Not available
MSI Cubi NUC AI+ 3MG
-
Memory is upgradeable Yes
-
Storage is upgradeable Yes
-
Case lock also restricts bottom-panel access Not available
-
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 ExpertCenter PN55
Not available
MSI Cubi NUC AI+ 3MG
Not available
8Will it be dependable?
ASUS ExpertCenter PN55
-
Reviewer confirmed custom EFI keys worked
Level1Techs demonstrated the firmware key-management options and reported that a Linux installation with custom EFI keys worked. The distribution, kernel and firmware version were not specified.
Level1Techs · 5:09 -
Network boot stack was disabled by default Not available
MSI Cubi NUC AI+ 3MG
-
Reviewer confirmed custom EFI keys worked 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. ExpertCenter PN55 US SKU specifications. Product page. Accessed .
Configuration: Ryzen AI 7 450 / 32GB DDR5 / 1TB SSD / Windows 11 Pro / US SKU
Disclosure: Manufacturer specifications; no MiniPCBench measurements.
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Level1Techs. Is it Worth it? A Quick Overview of the ASUS ExpertCenter PN55. Video review. . Accessed .
Configuration: Ryzen AI 7 450 / 64GB DDR5-5600, 2 x 32GB / 1TB Micron NVMe SSD. Performance mode for benchmarks. Windows edition, Linux distribution, kernel and firmware version unconfirmed.
Disclosure: Acquisition terms unconfirmed. YouTube displays an affiliate product tag; editor links ASUS in the description.
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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.
-
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 ExpertCenter PN55
- 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 | ExpertCenter PN55 | Cubi NUC AI+ 3MG |
|---|---|---|
| CPU | AMD Ryzen AI 7 450 | Intel Core Ultra 9 386H |
| Cores / threads | 8 / 16 | 16 / 16 |
| Processor default TDP | 45 W | Not disclosed |
| Integrated graphics | AMD Radeon 860M | Intel Graphics |
Memory and storage
| Specification | ExpertCenter PN55 | 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 | ExpertCenter PN55 | Cubi NUC AI+ 3MG |
|---|---|---|
| Ethernet | 2 x 2.5GbE, Realtek RTL8125BG | 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 | ExpertCenter PN55 | Cubi NUC AI+ 3MG |
|---|---|---|
| Enclosure volume | Not published | 0.51 liters |
| List price | Not published | Not published |
| Product class | Not assigned | Not assigned |