NUC BOX-255H Fanned BOX
- Intel® Core™ Ultra processors (Arrow Lake-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 M.2 Key M, 1 x M.2 Key E (WiFi-6E Module), 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 Essentials, VMD RAID 0/1
- 19V Power Adapter
- 117.5 x 110.0 x 49mm (4.63" x 4.33" x 1.93"), Fanned Barebone
- TAA Compliant
Overview
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Specification
Processor System
| CPU | Intel® Core™ Ultra processors (Arrow Lake-H) NUC BOX-255H (Ultra 7 255H, 6P+8E) |
|---|---|
| Chipset | MCP |
| BIOS | AMI SPI 256 Mbit |
Memory
| Technology | Dual Channel DDR5 6400 MHz |
|---|---|
| Capacity | 96GB (48 GB 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 | Quad-Display (Included 2 outputs from Type-C) |
Expansion Slot
| M.2/WLAN | 1 x Wi-Fi 6E 802.11ax + BT 5.3 (M.2 Key E, 2230 PCIe x1, USB 2.0 for 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 (Supports DP 2.1 display output) 1 x USB3.2 Gen2x2 (Type-C, 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 |
Storage
| M.2 | 1 x M.2 (KEY M, 2242/2280) with PCIe Gen4x4 for SSD 1 x M.2 (KEY M, 2242) with PCIe Gen4x4 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 | 0ºC ~ 40ºC |
|---|---|
| Storage Temp | -40° C – 85° C |
| Operating Humidity | 5% ~ 90% |
| Storage Humidity | 5% ~ 90% |
Mechanical
| Mounting | VESA mount |
|---|---|
| Dimensions (L x W x H) | 117.5 x 110.0 x 49mm (4.63" x 4.33" x 1.93") |
| Weight | Net Weight:1.0Kg |
Others
| OS Support | Windows 10/11 |
|---|---|
| TPM | Intel® PTT |
| Certifications | CE, FCC |
| Packing List | 1 x 19V/120W Power Adapter (Core Ultra 7) 1 x 19V/90W Power Adapter (Core Ultra 5) 1 x VESA mount bracket |
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 | IPF(v2.2.10001.3) | Information | Size: 10116Kib |
OS | Win 11 x 64 | Date | 2025-12-30 | Download | |
| Description | DTT(9.0.11701.44281) | Information | Size: 16Mib |
OS | Win 11 x 64 | Date | 2025-12-30 | Download | |
| Description | Intel Thunderbolt driver ver: 93 | Information | Size: 32Mib |
OS | Win 11 x 64 | Date | 2025-05-22 | Download | |
| Description | [Beta]Intel Thunderbolt driver ver: 93 | Information | Size: 32Mib |
OS | Win 10 x 64 | Date | 2025-05-20 | Download | |
| Description | [Beta] Nuvoton HighSpeed Setup_v1.8.24.0805 | Information | Size: 7158Kib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] DTT(9.0.11701.44281) | Information | Size: 16Mib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] Bluetooth driver ver:23.80.0 | Information | Size: 34Mib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] IPF(v2.2.10001.3) | Information | Size: 10116Kib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] GNA ver: 03.05.00.1578 | Information | Size: 1810Kib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] RST Driver ver:20.2.0.1014.2 | Information | Size: 71Mib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] Intel HID Event Filter ver:2.2.2.10 | Information | Size: 3164Kib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] NPU driver ver:32.0.100.2820 | Information | Size: 143Mib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] PMT ver: 3.1.2.6 | Information | Size: 2394Kib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] Intel Serial IO driver ver:30.100.2418.12 | Information | Size: 3360Kib |
OS | Win 10 x 64 | Date | 2025-05-18 | Download | |
| Description | [Beta] Intel_CSME(v2433.6.34.0) | Information | Size: 2268Mib |
OS | Win 10 x 64 | Date | 2025-05-11 | Download | |
| Description | [Beta] Intel WLAN Driver ver:01505_23.90.0.2P | Information | Size: 43Mib Filename: Intel_WLAN(v01505_23.90.0.2P).zip |
OS | Win 10 x 64 | Date | 2025-05-11 | Download | |
| Description | [Beta] Realtek high definition ALC 256 audio driver ver:9467 | Information | Size: 39Mib |
OS | Win 10 x 64 | Date | 2025-05-11 | Download | |
| Description | [Beta] Intel I226/I225 Lan ver:1.1.4.42 | Information | Size: 326 KiB |
OS | Win 10 x 64 | Date | 2025-05-11 | Download | |
| Description | [Beta] Chipset_Driver(10.1.20003.8622) | Information | Size: 11Mib |
OS | Win 10 x 64 | Date | 2025-05-11 | Download | |
| Description | [Beta] VGA driver ver:32.0.101.6069 | Information | Size: 1062Mib |
OS | Win 10 x 64 | Date | 2025-05-11 | Download | |
| Description | Bluetooth driver ver:23.80.0 | Information | Size: 34Mib |
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 | Intel WLAN Driver ver:01505_23.90.0.2P | Information | Size: 43Mib |
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 | 1.30 | Update BIOS Under / How to Update | BIOS | Description | Optimize thermal settings | Information | Size: 11 MiB SHA1: D42717634854F829D287C25DA3F661F92441E290 |
Date | 2026-01-22 | Download | |
| Version | 1.30 | Update BIOS Under / How to Update | Windows | Description | Optimize thermal settings | Information | Size: 12 MiB SHA1: B4B9702E701C5BDCD783853EB0120235F075457C |
Date | 2026-01-22 | Download | |
| Version | 1.20 | Update BIOS Under / How to Update | BIOS | Description | Update memory frequency module | Information | Size: 11 MiB SHA1: 180D35D2CD62BF0D7D2CE56028B79F5718E2FD0A |
Date | 2025-05-08 | Download | |
| Version | 1.20 | Update BIOS Under / How to Update | Windows | Description | Update memory frequency module | Information | Size: 12 MiB SHA1: C629A71FF81129CE2FA86601F3BE173489ECBCAF |
Date | 2025-05-08 | 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 | RAID Installation Guide | Language | English | Date | 2026-06-04 | Download | |
| Description | User Manual | Language | English | Date | 2025-03-27 | Download | |
| Description | Quick Installation Guide | Language | English | Date | 2025-01-10 | Download |