NUC-255H NUC Motherboard
- Intel® Core™ Ultra processors (Arrow Lake-U/H)
- 2 x 262-pin CSO-DIMM DDR5 6400MHz up to 96GB (48GB per DIMM)
- 1 x USB4/Thunderbolt™4, 4 x USB3.2 Gen2, 2 x USB 2.0, 2 x M.2 Key M, 1 x M.2 Key E, 1 x COM, 1 x SATA3
- 2 x Intel 2.5 Gigabit LAN
- Supports Quad display, 2 x HDMI 2.1 TMDS, 1 x DP 2.1 (from USB4), 1 x DP 1.4a (from Type-C)
- Intel® PTT
- Supports Intel® vPro, VMD RAID 0/1
- 12V~24V DC-in
Specification
Processor System
| CPU | Intel® Core™ Ultra processors (Arrow Lake-H/U) NUC-255H (Ultra 7 255H, 6P+8E) |
|---|---|
| Chipset | MCP |
| BIOS | AMI SPI 256 Mbit |
Form Factor
| Dimensions | NUC (4.09-in x 4.02-in x 1.5-in, 10.4 cm x 10.2 cm x 3.8 cm) |
|---|
Memory
| Technology | Dual Channel DDR5 6400 MHz |
|---|---|
| Capacity | 96GB (48GB per DIMM) |
| Socket | 2 x 262-pin SO-DIMM |
Graphics
| Controller | Intel® Arc™ 140T graphics |
|---|---|
| HDMI | HDMI 2.1 TMDS Max resolution up to 4096x2160@60Hz |
| DisplayPort | DisplayPort 2.1/ 1.4a, DP++ Max resolution up to 4096x2160@60Hz |
| MultiDisplay | Max 4 display (Included 2 outputs from Type-C) |
Expansion Slot
| M.2 | 1 x M.2 (Key E, 2230) with PCIe x1, USB 2.0 and CNVi ofr Wireless |
|---|
Audio
| Interface | Realtek ALC256, High Definition Audio. |
|---|
Ethernet
| Controller/ Speed | LAN1: Intel® I226LM with 10/100/1000/2500 Mbps LAN2: Intel® I226V with 10/100/1000/2500 Mbps |
|---|---|
| Connector | 2 x RJ-45 |
Front I/O
| USB | 1 x USB 3.2 Gen2 (Type A) 1 x USB4/Thunderbolt™ 4 (5V/3A, Supports DP 2.1 display output) 1 x USB3.2 Gen2 x2 (Type-C, 5V/3A, Supports DP1.4a display output) *For Thunderbolt support, please refer to support list. |
|---|---|
| Audio | 1 (headphone & microphone jack) |
Rear I/O
| HDMI | 2 x HDMI 2.1 TMDS |
|---|---|
| Ethernet | 2 x 2.5 Gigabit LAN |
| USB | 2 x USB 3.2 Gen2 (Type A) |
| DC Jack | 1 |
Internal Connector
| USB | 2 x USB 2.0 (1 x 2.00 pitch header) |
|---|---|
| COM | 1 x COM(RS-232/RS-422/RS-485) |
Security
| TPM | Intel® PTT |
|---|
Storage
| M.2 | 1 x M.2 (KEY M, 2242) with PCIe Gen4 x4 ofr SSD 1 x M.2 (KEY M, 2242/2280) with PCIe Gen4 x4 for SSD |
|---|---|
| SATA | 1 x SATA3.0 (6.0 Gb/s) |
| RAID | Intel® VMD RAID 0/1 **supported by identical interface (PCIe) PCIe interface: 2*M.2 Key M |
Watchdog Timer
| Output | From Super I/O to drag RESETCON# |
|---|---|
| Interval | 256 Segments, 0, 1, 2, ...255sec |
Power Requirements
| Input PWR | 12V~24V DC-In Jack |
|---|---|
| Power On | AT/ATX Supported - AT : Directly PWR on as power input ready - ATX : Press button to PWR on after power input ready |
Environment
| Operating Temp | -20ºC ~ 70ºC |
|---|---|
| Storage Temp | -40° C ~ 85° C |
| Operating Humidity | 5% ~ 90% |
| Storage Humidity | 5% ~ 90% |
The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.
Support
OS:
| Description | Information | OS | Date | Download | |||||
|---|---|---|---|---|---|---|---|---|---|
| Description | DTT(9.0.11701.44281) | Information | Size: 16Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | Bluetooth driver ver:23.80.0 | Information | Size: 34Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | IPF(v2.2.10001.3) | Information | Size: 10116Kib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | GNA ver: 03.05.00.1578 | Information | Size: 1810Kib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | RST Driver ver:20.2.0.1014.2 | Information | Size: 71Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | Intel HID Event Filter ver:2.2.2.10 | Information | Size: 3164Kib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | NPU driver ver:32.0.100.2820 | Information | Size: 143Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | Intel Serial IO driver ver:30.100.2418.12 | Information | Size: 3360Kib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | Intel_CSME(v2433.6.34.0) | Information | Size: 2268Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | VGA driver ver:32.0.101.6069 | Information | Size: 1062Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | Chipset_Driver(10.1.20003.8622) | Information | Size: 11Mib |
OS | Win 11 x 64 | Date | 2025-01-24 | Download | |
| Description | Nuvoton HighSpeed Setup_v1.8.24.0805 | Information | Size: 7158Kib |
OS | Win 11 x 64 | Date | 2025-01-22 | Download | |
| Description | PMT ver: 3.1.2.6 | Information | Size: 2394Kib |
OS | Win 11 x 64 | Date | 2025-01-22 | Download | |
| Description | Realtek high definition ALC 256 audio driver ver:9467 | Information | Size: 39Mib |
OS | Win 11 x 64 | Date | 2025-01-22 | Download | |
| Description | Intel I226 Lan driver ver:2.1.4.3 | Information | Size: 5476Kib |
OS | Win 11 x 64 | Date | 2025-01-22 | Download |
| Version | Update BIOS Under / How to Update | Description | Information | Date | Download | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Version | 1.10 | Update BIOS Under / How to Update | BIOS | Description | First release | Information | Size: 11 MiB SHA1: 444E64C291B8F255AB4312371CD1B0AAA24F4318 |
Date | 2025-01-16 | Download | |
| Version | 1.10 | Update BIOS Under / How to Update | Windows | Description | First release | Information | Size: 12 MiB SHA1: EC3EA2A65F4A813BD37E9EECC5BC7C1125641D80 |
Date | 2025-01-16 | Download |
The format of our documents are in PDF files. If you have not installed Adobe Acrobat Reader, please get it from Adobe.
| Description | Language | Date | Download | ||||
|---|---|---|---|---|---|---|---|
| Description | User Manual | Language | English | Date | 2025-01-10 | Download | |
| Description | Jumpers and headers setting guide | Language | English | Date | 2025-01-10 | Download |