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Slim black barebone mini PC, compact rectangular form

ASRock Industrial

ASRock Industrial NUCS BOX-325 barebone mini PC Intel Core Ultra 5 325 DDR5 128GB max Wi-Fi 7 Bluetooth 6.0

SKU CH-8CBJ-W3ZBF MPN NUCS BOX-325

A slim barebone with an 8-core Intel Core Ultra 5 325, dual DDR5 SO-DIMM slots for up to 128 GB, PCIe Gen5 and Gen4 M.2 bays, 2.5 GbE LAN, Wi-Fi 7 and Bluetooth 6.0

  • ColorBlack
  • Form FactorSlim
  • CPU TypeIntel Core Ultra 5 325
  • CPU Cores8-Core (4P+4LE)
  • Memory installedNo Memory
  • Memory slot2 x 262Pin SO-DIMM

CPU Intel Core Ultra 5 325

LAN 1 x 2.5 Gigabit LAN

  • Intel Core Ultra 5 325 with 8 performance and efficiency cores for AI workloads
  • DDR5-7200 dual-channel memory up to 128GB capacity for demanding applications
  • USB4 Thunderbolt 4 plus five USB 3.2 Gen2 ports for versatile connectivity
  • Wi-Fi 7 and Bluetooth 6.0 with Intel 2.5GbE LAN for modern networking
  • Quad display support via dual HDMI 2.1 and dual DisplayPort over Type-C

Slim AI barebone with Core Ultra 5 325

The ASRock Industrial NUCS BOX-325 is a slim mini-PC barebone built around an Intel Core Ultra 5 325 processor with 8 cores (4P+4LE). It ships without memory or storage, giving system builders a compact platform that supports DDR5-6400 SO-DIMMs up to 128 GB in dual-channel mode. Integrated Intel Graphics, Wi-Fi 7 and Bluetooth 6.0 are included on the board.

Target users and limits

The unit suits developers and integrators who need a small AI-ready box with Thunderbolt 4, 2.5 GbE and quad-display outputs from HDMI 2.1 and DisplayPort over USB-C. It is not for buyers who want memory or an SSD pre-installed, nor for builds that require more than two M.2 slots or a power input outside the 12 V–24 V DC range.

Deciding specification

The single spec that decides fit is the maximum memory capacity of 128 GB across two 262-pin SO-DIMM slots running DDR5-6400. If the workload needs more than 128 GB or requires a different memory form factor, this barebone cannot meet the requirement.

Highlights

  • Intel Core Ultra 5 325 with 8 performance and efficiency cores for AI workloads
  • DDR5-7200 dual-channel memory up to 128GB capacity for demanding applications
  • USB4 Thunderbolt 4 plus five USB 3.2 Gen2 ports for versatile connectivity
  • Wi-Fi 7 and Bluetooth 6.0 with Intel 2.5GbE LAN for modern networking
  • Quad display support via dual HDMI 2.1 and dual DisplayPort over Type-C

Specifications

BrandASRock Industrial
ModelNUCS BOX-325
ColorBlack
Form FactorSlim
CPU TypeIntel Core Ultra 5 325
CPU Cores8-Core (4P+4LE)
Memory installedNo Memory
Memory slot2 x 262Pin SO-DIMM
Memory Type SupportedDDR5 6400
Max Memory Supported128GB
Dual Channel Memory SupportedYes
M.2 Slot1 x M.2 (KEY M, 2280) with PCIe Gen5 x4 for SSD
1 x M.2 (KEY M, 2242) with PCIe Gen4 x4 for SSD
Integrated GraphicsIntel Graphics
Onboard AudioRealtek ALC256
Channel2 Channel
LANIntel i226-LM
Max LAN Speed2.5Gbps
Wireless LAN802.11be
WiFi GenerationWi-Fi 7
BluetoothBluetooth 6.0
Front USB2 x USB 3.2 Gen2 (Type-A)
1 x USB4/Thunderbolt 4 (Supports DP 2.1 display output)
1 x USB3.2 Gen2x2 (Type-C, Supports DP1.4a display output)
Front Audio Ports1 (headphone & microphone jack)
HDMI2 x HDMI 2.1
Rear USB2 x USB 3.2 Gen2 (Type-A)
RJ451 x 2.5 Gigabit LAN
Power Supply12V~24V DC-In Jack
Dimensions117.5 x 110.0 x 38mm (4.63" x 4.33" x 1.50")
Weight1.0Kg
Packaging1 x 19V/120W Power Adapter
1 x VESA mount bracket
Shipping weight1.41 kg
Package size226 × 157 × 122 mm

Other versions of this model

3 more in the same range

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

Questions about this item

What DDR5 SO-DIMM modules do I need to add before this NUCS BOX-325 will boot?

Install two 262-pin DDR5-6400 SO-DIMMs, up to 64 GB each, for a maximum of 128 GB in dual-channel mode.

Will my existing 2.5 GbE switch work with the Intel i226-LM port on this unit?

Yes, the 2.5 GbE LAN port is backwards compatible with 1 GbE and slower Ethernet switches.

How can I confirm the NPU AI engine is active after I install memory and an OS?

Open Task Manager’s Performance tab; an NPU graph appears alongside CPU and GPU when the Intel Core Ultra 5 325 drivers are loaded.

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