| | | ARK-3403-D5A1E | ARK-3403-D6A1E |
| Processor System | CPU | Intel Atom Processor D510 1.66 GHz | Intel Atom D525 1.8GHz |
| Chipset | ICH8M | ICH8M |
| Memory | Technology | DDR2 667 MHz | DDR2 667 MHz |
| Socket | 1 x 200-pin SODIMM | 1 x 200-pin SODIMM |
| Max. Capacity | 2 GB | 2 GB |
| Graphics | Interface | 18-bit LVDS interface(optional)
VGA: up to 1920x1200 | 18-bit LVDS interface(optional)
VGA: up to 1920x1200 |
| Ethernet | LAN1 | 10/100/1000 Mbps Ethernet controller, support Wake On LAN | 10/100/1000 Mbps Ethernet controller, support Wake On LAN |
| LAN2 | 10/100/1000 Mbps Ethernet controller, support Wake On LAN | 10/100/1000 Mbps Ethernet controller, support Wake On LAN |
| Audio | Interface | Line-in, Line-out, Mic-in | Line-in, Line-out, Mic-in |
| I/O Interface | Serial Interface | 4 COM, 2 x RS-232 and 2 x RS-232/422/485 port , RS-485 w/ auto flow control, 2 extra RS-232 ports (optional) | 4 COM, 2 x RS-232 and 2 x RS-232/422/485 port , RS-485 w/ auto flow control, 2 extra RS-232 ports (optional) |
| USB Interface | 6 x USB ports, Compliant with USB 2.0 | 6 x USB ports, Compliant with USB 2.0 |
| Parallel Port | Supports D-sub 25-pin connector (optional) | Supports D-sub 25-pin connector (optional) |
| Digital I/O | Support 16-bit digital IO (optional) | Support 16-bit digital IO (optional) |
| Expansion | Mini-PCIe | 2 x Mini PCIe | 2 x Mini PCIe |
| ISA/PCI/PCIe Slot | 1 Slot PCI and 1 Slot PCIe x1 (default) / 2 Slots PCIe x1 (optional) / 2 Slots PCI (optional) | 1 Slot PCI and 1 Slot PCIe x1 (default) / 2 Slots PCIe x1 (optional) / 2 Slots PCI (optional) |
| Storage | HDD | Supports drive bay space for 2 x SATA 2.5" HDD | Supports drive bay space for 2 x SATA 2.5" HDD |
| SSD | Supports CompactFlash socket for type I/II CompactFlash disk | Supports CompactFlash socket for type I/II CompactFlash disk |
| Power Requirement | Power Input Votage | 9 VDC ~ 34 VDC | 9 VDC ~ 34 VDC |
| Environment | Operating Temperature | With extend temperature peripherals CompactFlash disk: -10 ~ 55° C / With extend temperature peripherals 2.5-inch hard disk -10 to 45° C, with air flow | With extend temperature peripherals CompactFlash disk: -10 ~ 55° C / With extend temperature peripherals 2.5-inch hard disk -10 to 45° C, with air flow |