AD-ARK-1251
Intel® Core Ultra U series processor with thee LAN, four COM, HDMI, DP, GbE, GPIO, Remote Switch, USB x 6
- Intel® Core Ultra 5/Ultra 7 Processor
- DDR5-5600 SO-DIMM memory support up 96G
- M.2 E Key, B Key and M Key for storage and wireless module installation
- Up to 3 x Intel GbE, 4 x serial ports, 8-bit DIO, optional CANBus
- Dual displays with 1 x 8K HDMI + 1 x 4K DP
- 2 x USB 3.2 and 4 x USB 2.0
- 12V ~ 28V wide range power input
- -20 ~ 60 °C extended operating temperature

| Model | ARK-1251-S3A1 | ARK-1251-S7A1 | ARK-1251-S3A1U | ARK-1251-S7A1U |
| Processor | Intel® Core™ Ultra 5 125U | Intel® Core™ Ultra 7 155U | Intel® Core™ Ultra 5 125U | Intel® Core™ Ultra 7 155U |
| Core Number | 12 | 12 | 12 | 12 |
| Frequency | 1.3 GHz | 1.7GHz | 1.3 GHz | 1.7GHz |
| Memory | DDR5 5600 MHz, 96 GB (up to 48GB per DIMM) , 2 x 260-pin SO-DIMM | |||
| Graphics | 1 x HDMI 2.1: Up to 7680x4320@60Hz, 1 x DP 1.4a: Up to 7680x4320@60Hz | |||
| Storage | 1x M.2 2280 M key (NVMe, PCIe x4) (default), 1x M.2 2280 B key with nano SIM holder (NVMe, PCIe x2/ SATA) | |||
AI-Accelerated Automation System: ARK-1251

The ARK-1251, powered by Intel® Core™ Ultra Processors 125U and 155U, features a hybrid SoC architecture that combines CPU, GPU, and NPU cores. This enables high-performance AI computing with low power consumption. The system supports up to 96GB of DDR5 5600 MHz SODIMM memory and includes multiple M.2 slots for 5G/LTE modules, Wi-Fi, and NVMe SSD storage. Connectivity options include multiple USB ports, 2 x RS-232/422/485, 2 x RS-422/485, 2 x 2.5GbE, and 1 x 1GbE, along with dual display outputs. The
ARK-1251 is also the first ARK series to support EdgeBMC, enabling both in-band and out-of-band management through Advantech’s DeviceOn platform. With its compact form factor and advanced capabilities, the ARK-1251 is ideal for a variety of applications, including machine automation, AI-based inspection, collaborative robot (cobot) integration, and real-time quality control in manufacturing environments.
ARK-1200 DIN-Rail Series
ARK Edge Computers engineered for stability, expandability, and security, ARK platforms offer perfect fit I/Os and protocol support, AI-ready computing power add-on, and global certifications. The ARK series ensures reliable performance suited to vertical market applications, accelerating intelligent Edge transformation.

ARK-1251
Intel® Core™ Ultra Series 1 DIN-Rail Edge Computer
- Intel® Core™ Ultra Series 1, 7-155U, 5-125U, up to 96GB DDR5
- HDMI, DP, CE-RED certified for Wi-Fi
- 3x GbE, 2x USB3, 4x USB2, 4x COM, DIO, Audio
- 3x M.2, idoor, Optional CANbus
- -20 ~ 60° C, 12~28VDC, 60 x 173x 141mm, 1.5 kg

ARK-1222
Intel Atom® Processor X Series DIN-Rail Edge Computer
- Intel® i3-N305/N97/x7433RE, up to 16GB DDR5, CE-RED certified for Wi-Fi
- 2x HDMI 2.0
- 2x GbE, 2x USB3, 2x USB2, 4x COM, DIO, Audio
- 2x M.2, idoor, Optional CANbus
- -20 ~ 60° C, 12~28VDC, 60 x 158 x 114mm, 0.94 kg

ARK-1221L
Intel Atom®/Celeron DIN-Rail Edge Computer
- Intel® x6413E/N6210/J6412, up to 32GB DDR4
- HDMI, DP
- 2x GbE, 2x USB3, 2x USB2, 2x COM, DIO, Audio
- 2x M.2, Optional CANbus
- -20 ~ 60° C, 12~28VDC, 60 x 158 x 114mm, 1.05 kg