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Small black cube mini PC, compact square design, matte finish, front Thunderbolt Type-C port, USB ports visible, 4.88 inch sides

MSI

MSI Cubi 5 12M-015BUS i5-1235U barebone mini PC

SKU CH-ARZH-194XW MPN Cubi 5 12M-015BUS

A 0.7 L barebone mini PC with an Intel Core i5-1235U, dual LAN, WiFi 6E, Thunderbolt 4, two SO-DIMM slots for up to 64 GB DDR4 and a 2.5-inch bay

  • ProcessorIntel Core i5-1235U
  • ChipsetSoC
  • Installed memoryNo Memory
  • RAM slots2 × 260Pin SO-DIMM
  • Supported memoryDDR4 2666
  • Maximum supported memory64 GB

CPU Type Intel Core i5-1235U

  • Compact 0.7 L chassis fits tight spaces
  • Intel Core i5-1235U delivers responsive performance
  • Dual LAN plus WIFI 6E keeps connections fast and stable
  • Thunderbolt 4 plus HDMI 2.0 and DP 1.4 drive three displays
  • Two DDR4 SO-DIMM slots support up to 64 GB memory

Compact barebone for office and home use

The MSI Cubi 5 12M-015BUS is a 0.7 litre barebone mini PC built around an Intel Core i5-1235U processor. It arrives without memory or storage so integrators can choose DDR4 SO-DIMMs up to 64 GB and a single M.2 drive. The 65 W adapter powers the complete system.

Step up from older mini PCs or basic laptops

This unit replaces larger desktops or entry-level portables when a silent, VESA-mountable box with dual 2.5 GbE and 1 GbE LAN is preferred. The jump is worthwhile when you need three simultaneous displays via HDMI 2.0b, DisplayPort 1.4 and Thunderbolt 4, plus front-access 10 Gbps USB ports.

Verify memory, storage and mounting before ordering

Confirm you have two DDR4 260-pin SO-DIMMs and an M.2 SSD in either PCIe or SATA flavour, as the slot auto-detects both. Check that your monitor cables match HDMI, DisplayPort or USB-C with DisplayPort Alt Mode. Ensure a VESA bracket or desk space suits the 4.88 by 4.88 inch footprint.

How it compares

Measured against everything we stock in Mini PC Barebone Systems, at today’s prices. Recalculated every night.

Price $392.99
Cheaper than about 71% of the 1,735 comparable items (median $564.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMSI
Model nameCubi 5 12M-015BUS
Product colorBlack
Processor
ProcessorIntel Core i5-1235U
ChipsetSoC
Memory
Installed memoryNo Memory
RAM slots2 × 260Pin SO-DIMM
Supported memoryDDR4 2666
Maximum supported memory64 GB
Storage
M.2 slots1 x M.2 SSD (PCIe/ SATA auto switch)
2.5" internal bays1
Connectivity
LAN connection1 x Realtek RTL8111H
1 x Realtek RTL8125BG-CG
Wi-Fi standardWIFI 6E - AX 215
Ports & slots
Front USB ports1 x Thunderbolt4 Type-C
2 x USB 3.2 Gen2 Type-A
HDMI ports1 x HDMI-out 2.0b
DisplayPort connectors1 x DisplayPort 1.4
Rear USB ports2 x USB 3.2 Gen2 Type-A
Power
Power supply65 W Power Adapter
Size & build
Product dimensions4.88 in × 4.88 in × 2.11 in
Product weight1.21 lb (0.55 kg)
Shipping weight1.32 kg
Package size224 × 211 × 97 mm

Other versions of this model

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Questions about this item

What RAM does the Cubi 5 12M-015BUS take and how much fits?

Two 260-pin SO-DIMM slots accept DDR4 2666/3200 modules up to 64 GB total. Memory is not included.

How do I install RAM and storage, and what step is often missed?

Remove the bottom cover, insert SO-DIMMs at an angle until they click, then mount the M.2 drive (PCIe/SATA auto-switch) with its screw and the 2.5" drive in its bay. People often forget the M.2 screw.

What will need replacing later on this barebone?

The 65 W power adapter and the internal fan cooler are the only moving or wear parts. RAM and storage are user-upgradable, so they can be swapped instead of replaced.

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