ASUS ExpertCenter PN55 vs MSI Cubi NUC AI+ 3MG

Black ASUS ExpertCenter PN55 viewed from the front
Black MSI Cubi NUC AI+ 3MG viewed from the front and above
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ASUS ExpertCenter PN55

Ryzen AI 7 450 / 32GB DDR5 / 1TB SSD / Windows 11 Pro / US SKU

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MSI Cubi NUC AI+ 3MG

Core Ultra 9 386H / 16GB DDR5 / 1TB SSD / Windows 11 Pro

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Amazon results may include other models. Verify the processor, memory, storage, and seller before buying.

iThese are manufacturer-sourced specifications, not MiniPCBench test results. Confirm the exact processor, memory, storage, price, and availability before buying.
Memory
Storage

1Is it fast for normal work?

2Can it handle sustained work?

3Can it game?

4Is it loud or hot?

5How much electricity does it use?

6Can I upgrade and connect everything?

ASUS ExpertCenter PN55

  • Memory is upgradeable Yes
  • Storage is upgradeable Yes
  • Case lock also restricts bottom-panel access
  • 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

7Is it good value?

8Will it be dependable?

ASUS ExpertCenter PN55

  • Reviewer confirmed custom EFI keys worked
  • Network boot stack was disabled by default Not available

MSI Cubi NUC AI+ 3MG

  • Reviewer confirmed custom EFI keys worked Not available
  • Network boot stack was disabled by default

References

  1. 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.

  2. 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.

  3. 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.

  4. 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

SpecificationExpertCenter PN55Cubi NUC AI+ 3MG
CPUAMD Ryzen AI 7 450Intel Core Ultra 9 386H
Cores / threads8 / 1616 / 16
Processor default TDP45 WNot disclosed
Integrated graphicsAMD Radeon 860MIntel Graphics

Memory and storage

SpecificationExpertCenter PN55Cubi NUC AI+ 3MG
Memory typeDDR5-5600 SO-DIMM, 2 x 16GBDDR5 SO-DIMM
Maximum memory96 GB96 GB
Upgradeable memoryYesYes
Storage slots21

Connectivity

SpecificationExpertCenter PN55Cubi NUC AI+ 3MG
Ethernet2 x 2.5GbE, Realtek RTL8125BG2 x Intel I226-V 2.5GbE
WirelessWi-Fi 7 and Bluetooth 5.4Wi-Fi 7; adapter model and Bluetooth version unconfirmed for this SKU
USB4YesYes
ThunderboltNot publishedYes

Size and price

SpecificationExpertCenter PN55Cubi NUC AI+ 3MG
Enclosure volumeNot published0.51 liters
List priceNot publishedNot published
Product classNot assignedNot assigned