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Compact black mini PC, 1.97 inches tall, VESA mountable

MSI

MSI Cubi NUC AI+ 2MG-003BUS barebone mini PC, Core Ultra 7 258V, 32GB LPDDR5X

SKU CH-7722-7RT5B MPN Cubi NUC AI+ 2MG-003BUS

Barebone mini PC with Intel Core Ultra 7 258V, 32 GB LPDDR5X, Intel Arc 140V graphics, dual 2.5 Gbps LAN, Wi-Fi 6E and two HDMI 2.1 outputs

  • ProcessorIntel Core Ultra 7 258 V
  • Wi-Fi standardWi-Fi 6E
  • AI capabilityCopilot+ PC
  • Processor cores8-Core (4P+4E)
  • Installed memoryNo Memory
  • RAM slots32 GB Embedded MOP (Memory on Package)
  • AI-ready performance with Intel Core Ultra 7 258V processor
  • 32GB LPDDR5X 8533 memory on package for fast multitasking
  • Intel Arc 140V graphics with dual HDMI 2.1 4K @60Hz output
  • Dual 2.5Gbps LAN plus Wi-Fi 6E AX211 and Bluetooth 5.3 connectivity
  • Compact 1.97in 0.826L VESA-mountable chassis with Thunderbolt 4 and front USB 3.2 Gen2

Core Ultra 7 barebone for AI workloads

The MSI Cubi NUC AI+ 2MG-003BUS is a compact barebone mini PC built around the Intel Core Ultra 7 258V processor with eight cores. It ships with 32GB of LPDDR5X 8533 memory embedded on package and an Intel Arc 140V integrated GPU. The platform targets business users who need local AI acceleration in a 0.826-litre chassis.

Embedded memory and dual 2.5G LAN

The 32GB LPDDR5X is soldered on package, so no SO-DIMM slots are available for upgrades; the single M.2 2280 slot remains free for storage expansion. Connectivity includes two Intel i226V 2.5Gbps LAN ports, Wi-Fi 6E AX211 and Bluetooth 5.3. Front I/O provides two USB 3.2 Gen2 Type-A ports, a headset jack and dual HDMI 2.1 outputs supporting 4K at 60Hz.

Single M.2 2280 slot for storage

Only one M.2 2280 PCIe slot is present, limiting internal storage to a single drive. Buyers who need redundant or multi-drive configurations should look elsewhere. The unit supports up to 64GB total memory, but the embedded 32GB cannot be removed or replaced.

How it compares

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

Price $657.99
Pricier than about 59% of the 1,735 comparable items (median $564.99).

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Specifications

Product
Brand nameMSI
Model nameCubi NUC AI+ 2MG-002BUS
Product colorBlack
Processor
ProcessorIntel Core Ultra 7 258 V
Processor cores8-Core (4P+4E)
Memory
Installed memoryNo Memory
RAM slots32 GB Embedded MOP (Memory on Package)
Supported memoryLPDDR5X 8533
Maximum supported memory64 GB
Storage
M.2 slots1 x M.2 2280 PCIe free slot
Graphics
Built-in graphicsIntel Arc 140 V GPU
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)
Front audio jacks1 jacks
HDMI ports2 x HDMI out (supports 4K @60 Hz as specified in HDMI 2.1 & supports MSI Power Link)
Thunderbolt ports2 x Thunderbolt4 (DP 1.4 alt-mode up to 4K@60 Hz /PD-out15 W) (Rear)
Rear USB ports2 x USB 2.0 Type-A (Rear)
Ethernet port2
Power
Power supply120 W
Size & build
Product dimensions1.97 in × 5.34 in × 5.22 in
Product weight1.39 lb (0.63 kg)
Shipping weight1.61 kg
Package size218 × 203 × 97 mm
More details
AI capabilityCopilot+ PC

Questions about this item

Is the 32 GB LPDDR5X memory on the Core Ultra 7 258V replaceable or upgradeable?

The 32 GB LPDDR5X is embedded directly on the processor package, so it cannot be removed or upgraded; only the single M.2 2280 slot is available for storage expansion.

What thermal limit appears first when the Intel Arc 140V GPU runs at full load for extended periods?

The integrated Arc 140V GPU shares the system cooling solution, so sustained heavy graphics work will hit the chassis thermal envelope before any separate GPU limit is reached.

How loud and hot does the unit get when both 2.5 GbE ports and Wi‑Fi 6E are active all day?

The compact 0.826 L chassis uses a single fan; continuous dual‑LAN and Wi‑Fi 6E traffic raises internal temperatures, causing the fan to spin up to an audible but office‑acceptable level.

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