Specifications
SoC — NUC BOX-320 / NUC-320
Intel Core 5 320: 6 cores (2 P-core 1.5/4.6 GHz + 4 LPE-core 1.4/3.4 GHz)
SoC — NUC BOX-304 / NUC-304
Intel Core 3 304: 5 cores (1 P-core 1.5/4.3 GHz + 4 LPE-core 1.4/3.3 GHz)
Graphics
Intel Xe3 iGPU — 2-core / 20 TOPS (Core 5 320); 1-core / 9 TOPS (Core 3 304)
NPU
Intel NPU 5.0 — 16 TOPS (Core 5 320) / 15 TOPS (Core 3 304)
Platform AI
Up to 41 platform TOPS (CPU + GPU + NPU)
Process Node
Intel 18A
Memory
1x 262-pin SO-DIMM DDR5-6400 up to 64 GB, In-Band ECC on all SKUs
Storage
M.2 Key M 2242 (PCIe Gen4 x1) + M.2 Key M 2242/2280 (PCIe Gen4 x2); RAID 0/1 on BOX models
SATA
1x SATA 3.0 (NUC-320 / NUC-304 boards only)
Networking
2x 2.5GbE RJ45 (Intel I226-V + Realtek RTL8125BG); M.2 Key-E 2230 for Wi-Fi 6E / BT 5.3
Display
2x HDMI 2.1 4Kp60 + 2x USB-C DisplayPort Alt Mode; up to 3 independent displays
USB
2x USB 3.2 Gen2x2 Type-C (DP Alt Mode, 5V/3A) + 3x USB 3.2 Type-A
Serial / Expansion
COM header RS-232/422/485 and 2x USB 2.0 internal header (boards)
Audio
Realtek ALC256 codec, 3.5 mm headphone/mic combo jack
Power
12-24 V DC-in jack with AT/ATX support; 19V/90W adapter included (BOX models)
Dimensions
117.5 x 110.0 x 49 mm (NUC BOX); 104 x 102 x 38 mm (NUC boards)
Operating Temperature
0-40 °C (NUC BOX); -20 to 70 °C (NUC boards)
Weight / Mounting
1.0 kg net; VESA mount bracket included (NUC BOX)
Security
Intel PTT (fTPM 2.0), watchdog timer (256 segments, 0-255 s)
OS Support
Windows 10/11 (BOX); Linux via upstream Wildcat Lake kernel and NPU driver
Overview
The ASRock Industrial NUC 300 Series is a compact industrial and edge-computing platform built on Intel Core Series 3 “Wildcat Lake-U” processors fabricated on Intel 18A. It ships as two fan-cooled mini PCs — NUC BOX-320 (Core 5 320) and NUC BOX-304 (Core 3 304) — and two standalone boards, NUC-320 and NUC-304, for integration into OEM enclosures.
Unlike the higher-end NUC Ultra 300 BOX series (Panther Lake), the NUC 300 Series uses the more affordable Wildcat Lake SoC family while keeping industrial essentials: In-Band ECC DDR5-6400 up to 64 GB, dual 2.5GbE, a serial port header, watchdog timer and a wide 12-24 V DC input. The NPU 5.0 plus Xe3 graphics deliver up to 41 platform TOPS for lightweight edge AI inference, and the boards extend the operating range to -20 to 70 °C.
Key Benefits
Enterprise-grade reliability in a small footprint: In-Band ECC memory, watchdog timer and fTPM security make the NUC 300 Series suited to always-on edge duty. Dual 2.5GbE enables network redundancy or a second subnet without add-in cards, while the 12-24 V DC input, VESA mounting and 0-40 °C rating (or -20 to 70 °C on the boards) simplify deployment in cabinets, kiosks and industrial enclosures.
Applications
Lightweight edge AI inference, industrial PCs and HMIs, smart-retail kiosks and self-checkout, machine-automation gateways, network-attached edge nodes, digital signage, and embedded OEM systems requiring long-life industrial availability.
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