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Compact black barebone mini PC, 0.51 litre volume, VESA mountable, fingerprint power button

MSI

MSI Cubi NUC AI+ 3MG-007BUS barebone mini PC, Core Ultra 7 355

SKU CH-1V6H-PXCPG MPN Cubi NUC AI+ 3MG-007BUS

A barebone mini PC powered by an Intel Core Ultra 7 355 processor with Wi-Fi 7, Bluetooth 5.4, dual 2.5G LAN and dual Thunderbolt 4 ports

  • ColorBlack
  • AI FeaturesCopilot+ PC
  • CPU TypeIntel Core Ultra 7 355
  • CPU Cores8-Core (4P+4LE)
  • Memory installedNo Memory
  • Memory slot2 x 262Pin SO-DIMM

Support CPU Intel Core Ultra 7 355

  • AI-ready Copilot+ PC with Intel Core Ultra 7 355 processor
  • Compact 0.51-litre chassis fits VESA mounts behind displays
  • Dual 2.5Gbps LAN plus WiFi 7 and Bluetooth 5.4 connectivity
  • Two Thunderbolt 4 ports drive up to four 4K 60 Hz displays
  • Dual-channel SO-DIMM slots support up to 64 GB memory

Compact barebone with Intel Core Ultra 7 355

The MSI Cubi NUC AI+ 3MG-007BUS is a 0.51-litre barebone mini PC powered by an 8-core Intel Core Ultra 7 355 processor with integrated Intel Graphics. It arrives without memory or storage, letting you configure the system for business or productivity workloads. Dual Thunderbolt 4 ports and two HDMI outputs support up to four displays.

Ideal for small-footprint workstations

This unit suits builders who want a VESA-mountable desktop for Copilot+ PC features, Wi-Fi 7, Bluetooth 5.4 and dual 2.5 Gb Ethernet in a 37.5 mm thick chassis. It is not for buyers who need a system that ships with RAM or an SSD pre-installed, nor for those who require discrete graphics or additional M.2 slots beyond the single 2280 socket.

Single M.2 2280 PCIe slot for storage

The board provides one M.2 2280 PCIe slot as the only internal storage connection, so the drive you choose there becomes the sole boot and data volume. Plan capacity and performance around that single slot because no second M.2 or 2.5-inch bay is present.

Highlights

  • AI-ready Copilot+ PC with Intel Core Ultra 7 355 processor
  • Compact 0.51-litre chassis fits VESA mounts behind displays
  • Dual 2.5Gbps LAN plus WiFi 7 and Bluetooth 5.4 connectivity
  • Two Thunderbolt 4 ports drive up to four 4K 60 Hz displays
  • Dual-channel SO-DIMM slots support up to 64 GB memory

Specifications

BrandMSI
ModelCubi NUC AI+ 3MG-007BUS
ColorBlack
AI FeaturesCopilot+ PC
CPU TypeIntel Core Ultra 7 355
CPU Cores8-Core (4P+4LE)
Memory installedNo Memory
Memory slot2 x 262Pin SO-DIMM
Max Memory Supported64GB
M.2 Slot1 x M.2 2280 PCIe slot
Integrated GraphicsIntel Graphics
LAN2 x Intel I226-V (2.5G)
Max LAN Speed2.5Gbps
Wireless LAN802.11be
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
Front USB1 x USB 3.2 Gen2 Type-A (front)
1 x USB 3.2 Gen2 Type-C (front)
1 x USB 2.0 Type-A (Front)
Other Front Ports1 x External Power Switch
1 x Kensington Lock
HDMI2 x HDMI out (supports 4K @60Hz as specified in HDMI 2.1 & supports MSI Power Link)
Thunderbolt2 x Thunderbolt4 Type-C (DP 1.4 alt-mode up to 4K@60Hz /PD-out15W) (Rear)
Power Supply120W
Dimensions4.71" x 4.54" x 1.48"
Weight1.1 lbs.
Shipping weight1.50 kg
Package size224 × 208 × 97 mm

Other versions of this model

2 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does the Core Ultra 7 355 run hot or loud during continuous all-day workloads?

The 0.51-litre chassis is just 37.5 mm thick and relies on its compact thermal design; no fan noise or temperature figures are published.

What memory and storage must I supply to make this barebone operational?

You must add two 262-pin SO-DIMM modules up to 64 GB total and one M.2 2280 PCIe drive.

Will the dual Thunderbolt 4 ports drive my older 4K 60 Hz monitors alongside the two HDMI 2.1 outputs?

Yes, each Thunderbolt 4 port supports DP 1.4 alt-mode up to 4K at 60 Hz, matching the HDMI 2.1 4K 60 Hz capability for a four-display setup.

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