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Compact black mini PC with small square chassis

MSI

MSI Cubi NUC AI 1UMG-044US mini PC Core Ultra 5 125H 16GB DDR5 1TB

SKU CH-YE4M-BJ7CC MPN Cubi NUC AI 1UMG-044US

A 14-core Intel Core Ultra 5 mini PC with 16GB DDR5, 1TB storage and 2.5G Ethernet runs Windows 11 Home

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 5
  • Memory size16 GB DDR5 SoDIMM
  • Storage drive1 TB in M.2 PCIe 2280 slot
  • GraphicsIntel Arc Graphics
  • CPUIntel Core Ultra 5 125H
  • 14-core Intel Core Ultra 5 125H powers demanding workloads
  • 16 GB DDR5 at 5200 MT/s speeds up multitasking
  • 1 TB M.2 2280 storage holds large project files
  • 5 Gb Ethernet enables fast wired transfers
  • Intel Arc graphics handles 4K media and light creative tasks

Ready-to-use mini PC

The MSI Cubi NUC AI 1UMG-044US ships with Windows 11 Home installed and an Intel Core Ultra 5 125H processor. Its 14-core design and integrated Intel Arc graphics target everyday productivity, streaming and light creative work in a compact black chassis.

Memory and storage headroom

Sixteen gigabytes of DDR5 5200 memory handle multitasking and browser-heavy workloads comfortably. The single 1 TB M.2 2280 drive offers fast boot and app loads, while a second slot allows expansion up to 64 GB total memory when larger datasets demand it.

Thermals and power in daily use

A 120 W power adapter feeds the system, which runs quiet during typical office tasks and media playback. The small form factor limits sustained heavy compute, so prolonged renders or gaming sessions will hit thermal limits sooner than a full-size desktop.

How it compares

Measured against everything we stock in Small Form Factor & Mini PCs, at today’s prices. Recalculated every night.

Price $819.99
Pricier than about 75% of the 132 comparable items (median $581.99).
Memory size 16 GB DDR5 SoDIMM
Typical for this category: the median of 102 items is 16 GB.
RAM capacity 16 GB DDR5
Typical for this category: the median of 123 items is 16 GB.

Specifications

Product
Brand nameMSI
Model nameCubi NUC AI 1UMG-044US
Product typeNettop Computer
Recommended useConsumer / Home / Personal / Mainstream
Product colorBlack
Processor
ProcessorIntel Core Ultra 5
CPUIntel Core Ultra 5 125H
CPU modelIntel Core Ultra 5 125H
Processor cache18 MB L3 Cache
L3 cache per CPU18 MB
Memory
Memory size16 GB DDR5 SoDIMM
RAM capacity16 GB DDR5
RAM type and speedDDR5 5200
Total memory slots2
Max supported RAM64 GB
Storage
Storage drive1 TB in M.2 PCIe 2280 slot
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsIntel Arc Graphics
GPUIntel Arc Graphics
GPU interfaceIntegrated video
Connectivity
Wi-Fi standardWi-Fi 6E
Network speed2.5 Gbit/s
Wired network2.5G Ethernet
Wi-Fi802.11ax Wireless LAN
Ethernet controllerIntel I226-V
Bluetooth support5.3
Ports & slots
Front USB ports2 x USB 3.2 Gen 2 Type-A
1 x USB 3.2 Gen 2 Type-C
Video connectors2 x HDMI
Rear USB ports2 x Thunderbolt4 (DP 1.4 alt-mode up to 4K@60 Hz /PD-out15 W)
Power
Power supply120 W
Size & build
Form factorMini PC
Overall dimensions1.48 in × 4.71 in × 4.54 in
Product weight1.19 lb (0.54 kg)
Shipping weight6.80 kg
Package size508 × 381 × 381 mm
In the box
Included monitorNot included
Software
Operating systemWindows 11 Home

Questions about this item

Can I add my older DDR5 5200 SoDIMM sticks to the second slot to reach 64 GB?

Yes, the board has two DDR5 SoDIMM slots running at 5200 MT/s and supports up to 64 GB total, so an additional stick will work.

How can I verify the Intel Arc graphics are active after I install Windows 11 Home?

Open Device Manager, expand Display adapters, and confirm Intel Arc Graphics appears without a warning icon; the driver version will also show in the Intel Graphics Command Center.

Does the package include a monitor or just the 120 W power adapter and the mini PC?

The box contains the Cubi NUC AI 1UMG-044US unit and its 120 W power supply; a monitor is not included and must be purchased separately.

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