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Small black mini desktop PC with compact square form factor

MSI

MSI Cubi 5 12M-445US desktop PC i5-1235U 16GB 500GB

SKU CH-XB9S-RRT66 MPN Cubi 5 12M-445US

A mini desktop with a 10-core i5-1235U, 16 GB DDR4 3200, 500 GB M.2 NVMe, dual LAN, Wi-Fi 6E, Bluetooth 5.3 and ThunderBOLT 4, running Windows 11 Pro

  • ProcessorIntel Core i5 12th Gen
  • Memory size16 GB DDR4 3200
  • Storage drive500 GB M.2 NVMe
  • GraphicsIntel Iris Xe Graphics
  • CPUIntel Core i5-1235U
  • Wi-Fi standardWi-Fi 6E
  • 10-core Intel Core i5-1235U handles multitasking smoothly
  • 16 GB DDR4 3200 memory supports demanding applications
  • 500 GB M.2 NVMe SSD provides fast storage access
  • Dual LAN plus Wi-Fi 6E and Bluetooth 5.3 ensure flexible connectivity
  • Windows 11 Pro pre-installed for professional features

Compact desktop for home and office

The MSI Cubi 5 12M-445US is a Mini PC built around an Intel Core i5-1235U processor with 10 cores and 12 MB L3 cache. It ships with 16 GB DDR4 3200 memory in a dual-channel 8 GB x 2 configuration and a 500 GB M.2 NVMe drive. Windows 11 Pro is pre-installed and graphics are handled by integrated Intel Iris Xe Graphics.

Suits space-constrained desks

This system fits students, home-office workers and anyone who needs two Gigabit Ethernet ports plus Wi-Fi 6E and Bluetooth 5.3 in a small black chassis. The 65 W power supply and front ThunderBOLT 4 Type-C port support simple docking. Buyers who want discrete graphics, internal drive bays or user-accessible memory slots should look at larger form factors.

16 GB soldered DDR4 3200 with no free slots

The memory is populated as 8 GB x 2 across both SO-DIMM sockets, leaving zero available slots. Maximum supported capacity is 64 GB, so any future upgrade requires replacing both modules. This constraint decides whether the PC can meet workloads that demand more than the factory 16 GB.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $579.99
Pricier than about 56% of the 14,711 comparable items (median $494.99).
Memory size 16 GB DDR4 3200
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameMSI
Model nameCubi 5 12M-445US
Product typeStudent / Home Office
Recommended useConsumer
Product colorBlack
Processor
ProcessorIntel Core i5 12th Gen
CPUIntel Core i5-1235U
CPU modelIntel Core i5-1235U
Processor cache12 MB L3 Cache
L3 cache per CPU12 MB
Memory
Memory size16 GB DDR4 3200
RAM capacity16 GB DDR4
RAM type and speedDDR4 3200
Memory configuration8 GB x 2
Total memory slots2
Free memory slots0
Max supported RAM64 GB
Storage
Storage drive500 GB M.2 NVMe
SSD storage500 GB
Storage configuration500 GB M.2 NVMe
Optical driveNo
Internal bays1 × 2.5 in SSD/HDD
Graphics
GraphicsIntel Iris Xe Graphics
GPUIntel Iris Xe Graphics
GPU interfaceIntegrated video
Connectivity
Wi-Fi standardWi-Fi 6E
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Ethernet controller1 x Realtek RTL8111H
1 x Realtek RTL8125BG-CG
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.3
Ports & slots
Front USB ports1 x ThunderBolt4 Type-C
2 x USB 3.2 Gen2 Type-A
Front audio jacks1 x Mic-in / Headphone-out combo
Rear USB ports2 x USB 3.2 Gen 2 Type-A (rear)
Power
Power supply65 W
Size & build
Form factorMini PC
Overall dimensions2.11 in × 4.88 in × 4.88 in
Product weight3.09 lb (1.4 kg)
Shipping weight1.27 kg
Package size221 × 208 × 97 mm
Software
Operating systemWindows 11 Pro

Questions about this item

Does the 65 W power adapter use a standard barrel plug or a proprietary connector?

The 65 W adapter ships with a standard barrel connector that plugs directly into the rear DC-in jack.

Which screw secures the M.2 2280 NVMe drive, and what length screw does the standoff need?

A single M2 × 3 mm screw holds the 500 GB M.2 NVMe drive; the standoff is pre-installed at the 2280 position.

Can the two 8 GB DDR4 3200 SO-DIMMs be replaced with 32 GB modules to reach the 64 GB limit?

Yes, both slots are occupied by 8 GB sticks; swapping them for two 32 GB DDR4 3200 SO-DIMMs reaches the 64 GB maximum.

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