ARH171 Overview
A compact vision station, a self-service kiosk or an operator panel now often runs an AI model beside its main application, and it has to fit that into a small enclosure on a 12 V supply. The ARH171 is a DFI industrial Mini-ITX motherboard built for that job, with Intel Core Ultra mobile processors soldered on board and every listed Arrow Lake and Meteor Lake H and U option available.
The 28 W H-series parts, the Core Ultra 7 265H, 255H, 165H and 155H and the Core Ultra 5 235H, 225H, 135H and 125H, suit multi-camera inference and heavier graphics. The 15 W U-series parts with the same model numbers suit cooler, quieter designs, and they can be fitted with a fanless heatsink on request, while the H parts use an active cooler as standard. The 265, 235, 165 and 135 processors support Intel vPro. Two DDR5 5200 MHz SO-DIMMs hold up to 128 GB, and DFI lists OpenVINO, DirectML and ONNX Runtime support on the integrated graphics, which is Intel Arc on the H parts.
Three 2.5GbE ports on Intel I226-V and I226-LM controllers separate cameras, the machine network and a managed uplink. DP++ and HDMI outputs at 4K, a USB-C port with DisplayPort Alt Mode and DFI’s optional M2A panel module give four displays. Four rear USB 3.2 Gen 2 ports, four internal USB 2.0 headers, four COM ports and 8-bit DIO handle peripherals. An M.2 M-key runs NVMe at PCIe Gen4 x4, a B-key with Nano SIM takes a cellular module, an E-key takes Wi-Fi, and a PCIe x4 Gen4 slot and two SATA 3.0 ports add expansion.
The ARH171 takes 12 V DC on a barrel jack or 4-pin connector and operates from -5 to 65 °C, with CE, FCC, UKCA and RoHS compliance, a discrete TPM and a watchdog programmable from 1 to 255 seconds. DFI lists Windows 11 IoT Enterprise LTSC and Linux. For 24 V cabinets or battery supplies, the ARH173 is the same board on 12 to 28 V DC.
ARH171 Specifications
| Overview | |
|---|---|
| Brand & Model | DFI ARH171 |
| Features | Embedded Industrial |
| Performance | |
| Processor Series | Intel Core Ultra Series 1 Meteor Lake Intel Core Ultra Series 2 Arrow Lake-H Intel Core Ultra Series 2 Arrow Lake-U |
| Processor Models | Intel Core Ultra 5 125H: 1.2~4.5GHz, 14 Cores, 18 Threads, 18MB Cache, 28W Intel Core Ultra 5 125U: 1.3~4.3GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 5 135H: 1.7~4.6GHz, 14 Cores, 18 Threads, 18MB Cache, 28W Intel Core Ultra 5 135U: 1.6~4.4GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 5 225U: 1.5~4.8GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 5 235U: 2.0~4.9GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 7 155H: 1.4~4.8GHz, 16 Cores, 22 Threads, 24MB Cache, 28W Intel Core Ultra 7 155U: 1.7~4.8GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 7 165H: 1.4~5.0GHz, 16 Cores, 22 Threads, 24MB Cache, 28W Intel Core Ultra 7 165U: 1.7~4.9GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 7 255U: 2.0~5.2GHz, 12 Cores, 14 Threads, 12MB Cache, 15W Intel Core Ultra 5 225H: 1.7~4.9GHz, 14 Cores, 14 Threads, 18MB Cache, 28W Intel Core Ultra 5 235H: 2.4~5.0GHz, 14 Cores, 14 Threads, 18MB Cache, 28W Intel Core Ultra 7 255H: 2.0~5.1GHz, 16 Cores, 16 Threads, 24MB Cache, 28W Intel Core Ultra 7 265H: 2.2~5.3GHz, 16 Cores, 16 Threads, 24MB Cache, 28W Intel Core Ultra 7 265U: 2.1~5.3GHz, 12 Cores, 14 Threads, 12MB Cache, 15W |
| Performance Cores | 12 Cores 14 Cores 16 Cores |
| AI Performance | 11–13 TOPS |
| Memory | 2x DDR5 5200MHz SO-DIMM Slots, 128GB |
| BIOS | AMI |
| Secure Crypto Processor | TPM 2.0 (Trusted Platform Module) |
| Operating System | Linux |
| Graphics | |
| Integrated GPU | Intel UHD Series |
| Display Standards | DP++ |
| Multi Display Support | Quad Display Support |
| Display Outputs | 1x Display Port 1x HDMI 1x USB Type C |
| Audio | |
| Interface | Line-Out Mic-In |
| I/O | |
| Ethernet | 3x Ethernet Ports |
| 3x 2.5 GbE LAN [RJ45] | |
| LAN Controllers | Intel I226LM Intel I226V |
| USB | 9x USB Ports |
| 1x USB 3.2 Gen 2 [Type C] 4x USB 2.0 [Board] 4x USB 3.2 Gen 2 [Type A] | |
| Serial | 4x Serial Ports |
| 2x RS232 [Board] 2x RS232/422/485 [Board] | |
| Digital I/O | DIO [8-lines] |
| Remote Management | Intel vPro |
| Expansion | |
| M.2 | 4x M.2 Expansion Slots |
| 1x M.2 A-Key [Display/PCIe x1/USB/SIM] [3030/3042/3060] 1x M.2 B-Key [PCIe x1 Gen3/USB 3.2 Gen 2/USB 2.0] [2242/3042/3052] 1x M.2 E-Key [PCIe x1/USB 2.0] [2230] 1x M.2 M-Key [PCIe x4 Gen4] [2242/2280] | |
| PCIe | 1x PCIe Slots |
| 1x PCIe [x4 Slot] [Gen4] | |
| SIM Slots | 1x SIM Slots |
| Wireless Connectivity | Optional 4G Modem Optional WiFi/Bluetooth |
| Storage | |
| Storage | 1x M.2 SSD 2x SATA Ports |
| NVMe | NVMe SSD Support |
| Power | |
| Power Input | 12V DC [4-Pin] 12V DC [Barrel Connector] |
| Environmental Conditions | |
| Operating Temperature | -5°C to 65°C [23°F to 149°F] |
| Storage Temperature | -40°C to 85°C [-40°F to 185°F] |
| Humidity | 5% - 90% (Non-condensing) |
| Certification | CE FCC RoHS UKCA |
| Mechanical Properties | |
| Dimensions | 170mm x 170mm (6.69" x 6.69") |
- ARH171 Datasheet Download
Official DFI UK Distributor
Things Embedded is an official DFI UK distributor, supplying the ARH171 with the chosen Core Ultra processor, memory, storage, wireless and an OS image, fitted with cooling to suit the processor and tested before it ships. For a 24 V cabinet or a battery supply, ARH173 is the same board on 12 to 28 V DC. We can help choose between the H and U processors for your enclosure.
See our Core Ultra products, other Mini-ITX mainboards and the full range of industrial motherboards.
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