ASRock Industrial NUC-320 NUC Motherboard

The ASRock Industrial NUC-320 NUC Motherboard features an Intel Core i5-320 processor with support for up to 64GB DDR5 memory including In-Band ECC for enhanced reliability. Compact at 4.09 x 4.02 inches, it offers dual 2.5 Gigabit LAN and triple-display output via HDMI 2.1 and DisplayPort 1.4a.
 
Equipped with two M.2 SSD slots and USB 3.2 Gen2x2 ports, this board suits embedded and industrial environments with a 12–24V DC input and wide operating temperature range. Intel PTT security adds protection for critical operations.
 
Designed for industrial automation, edge AI, and smart city implementations, the NUC-320 ensures dependable operation and flexible system integration through its COM port and diverse I/O options.
 
Key Features
Intel® Core™ Series 3 processors (Wildcat Lake-U)
DDR5 6400MHz, up to 64GB, supports In-Band ECC
2 x USB 3.2 Gen2x2, 3 x USB 3.2 Gen1, 2 x USB 2.0
2 x M.2 Key M, 1 x M.2 Key E, 1 x COM
Dual 2.5 Gigabit LAN
Triple-display support: 2 x HDMI 2.1, 2 x DP 1.4a through Type-C
Intel® PTT
12–24V DC-In
 
Specifications
Form Factor
Dimensions: NUC (4.09 x 4.02 x 1.5 inches; 10.4 x 10.2 x 3.8cm)
Processor System
CPU: Core™ 5 320, 2P+4LPE
ECC: All CPU SKUs support In-Band ECC
Chipset: MCP
BIOS: AMI SPI 256Mbit
Memory
Technology: Single-channel DDR5 6400MHz
Capacity: 64GB
Socket: 1 x 262-pin SO-DIMM
Graphics
Controller: Intel® Graphics
HDMI: HDMI 2.1, up to 4096x2160@60Hz
DisplayPort: DP 1.4a, DP++, up to 4096x2160@60Hz
MultiDisplay: Maximum three displays, including Type-C outputs
Expansion Slot
M.2: Key E, 2230; PCIe x1, USB 2.0, CNVi
Audio
Interface: Realtek ALC256 High Definition Audio
Ethernet
LAN1: Intel® I226V, 10/100/1000/2500Mbps
LAN2: Realtek RTL8125BG, 10/100/1000/2500Mbps
Connector: 2 x RJ-45
Front I/O
USB: 1 x USB 3.2 Gen1 Type-A
USB: 2 x USB 3.2 Gen2x2 Type-C; 5V/3A, DP 1.4a output
Audio: Headphone/microphone jack
Rear I/O
HDMI: 2 x HDMI 2.1
Ethernet: 2 x 2.5 Gigabit LAN
USB: 2 x USB 3.2 Gen1 Type-A
DC Jack: 1
Internal Connector
USB: 2 x USB 2.0, one 2.00mm-pitch header
COM: 1 x RS-232/422/485
Storage
M.2: Key M, 2242; PCIe Gen4 x1
M.2: Key M, 2242/2280; PCIe Gen4 x2
SATA: 1 x SATA 3.0, 6.0Gb/s
Security
TPM: Intel® PTT
Watchdog Timer
Output: Super I/O to RESETCON#
Interval: 0–255 seconds, 256 segments
Power Requirements
Input PWR: 12–24V DC-In jack
Power On: AT/ATX
AT: Automatic power-on upon power input
ATX: Power-on by button
Environment
Operating Temp: −20°C to 70°C
Storage Temp: −40°C to 85°C
Operating Humidity: 5–90%, non-condensing
Storage Humidity: 5–90%, non-condensing