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Black rectangular mini PC barebone unit with front USB ports

MSI

MSI Cubi NUC 1MG-276BUS Intel Core 5 120U barebone mini PC

SKU CH-13D4-1XTA2 MPN Cubi NUC 1MG-276BUS

Barebone mini PC with a 10-core Intel Core 5 120U, dual SO-DIMM slots for up to 64 GB DDR5 5200, one M.2 2280 slot, a 2.5-inch bay, dual 2.5G LAN, Wi-Fi 6E and Bluetooth 5.3

  • ProcessorIntel Core 5 120U
  • Wi-Fi standardWi-Fi 6E
  • Processor cores10-Core (2P+8E)
  • Installed memoryNo Memory
  • RAM slots2 × 262Pin SO-DIMM
  • Supported memoryDDR5 5200
  • Intel Core 5 120U with 10 cores handles demanding workloads
  • Dual 2.5Gbps Intel i226V LAN ensures fast wired connectivity
  • Wi-Fi 6E and Bluetooth 5.3 deliver modern wireless performance
  • Two DDR5 5200 SO-DIMM slots support up to 64GB memory
  • M.2 2280 PCIe slot plus 2.5" bay offer flexible storage options

Purpose-built barebone

The MSI Cubi NUC 1MG-276BUS is a compact barebone mini PC built around an Intel Core 5 120U processor with 10 cores. It targets businesses and integrators who need a small, VESA-mountable system for digital signage, kiosks or office deployments. Buyers who require a pre-assembled unit with memory and storage already installed should look elsewhere.

Sustained operation

The 10-core hybrid architecture (2 performance + 8 efficient cores) handles continuous workloads such as video playback, thin-client sessions or IoT gateways without thermal throttling in the fan-cooled chassis. Dual 2.5 GbE ports from the Intel i226V controllers maintain steady network throughput for multi-stream content delivery. Wi-Fi 6E and Bluetooth 5.3 provide reliable wireless connectivity in crowded environments.

Deciding specification

This unit ships with no memory installed and supports up to 64 GB of DDR5 5200 SO-DIMM across two 262-pin slots. A single M.2 2280 PCIe slot and one 2.5-inch bay handle storage expansion. Front-facing USB 3.2 Gen2 Type-A ports and dual HDMI outputs complete the I/O set.

How it compares

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

Price $371.99
Cheaper than about 74% 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
Product lineCubi NUC 1M
Model nameCubi NUC 1MG-276BUS
Part numberCUBINUC1M276B
Product colorBlack
Processor
ProcessorIntel Core 5 120U
Processor cores10-Core (2P+8E)
Memory
Installed memoryNo Memory
RAM slots2 × 262Pin SO-DIMM
Supported memoryDDR5 5200
Maximum supported memory64 GB
Storage
M.2 slots1 x M.2 2280 PCIe free slot
2.5" internal bays1 × 2.5 in SSD/HDD
Graphics
Built-in graphicsIntel Graphics
Connectivity
LAN connectionIntel i226 V
Maximum network speed2.5 Gbit/s
Wi-Fi standard802.11ax
Bluetooth support5.3
Ports & slots
Front USB ports2 x USB 3.2 Gen2 Type-A (front)
Memory card readerMicroSD card Reader
HDMI ports2 x HDMI out (supports 4K @60 Hz as specified in HDMI)
Thunderbolt ports2 x ThunderBolt4 Type-C (Rear)
Rear USB ports2 x USB 3.2 Gen2 Type-A (rear)
Ethernet port2
Rear audio jacks1 x Mic-in / Headphone-out combo
Power
Power supply120 W
Size & build
Product dimensions1.97 in × 5.34 in × 5.22 in
Product weight1.38 lb (0.63 kg)
Shipping weight1.59 kg
Package size229 × 204 × 102 mm

Questions about this item

How much heat and fan noise does the Core 5 120U produce under sustained load?

The 10-core processor runs at 120 W base power and uses Intel Graphics, so the compact chassis relies on a small internal fan; expect audible airflow during long compile or render sessions.

Which DDR5 SO-DIMMs and M.2 drive must I supply to boot this barebone?

You need two 262-pin DDR5 5200 modules up to 64 GB total and one M.2 2280 PCIe SSD; the unit ships with no memory or storage installed.

Will the 2.5 GbE Intel i226V ports and Wi-Fi 6E work with my existing Cat 5e cabling and older access points?

Yes, the 2.5 GbE LAN negotiates down to 1 Gbps on Cat 5e, and Wi-Fi 6E is backward compatible with earlier Wi-Fi standards.

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