| | | ARK-3420F-S6A1E | ARK-3420F-U0A1E |
| Processor System | CPU | Intel Core 2 Duo L7500 1.6GHz | Intel Celeron 550 2.0GHz |
| Chipset | Intel GME965 +ICH8M | Intel GME965 +ICH8M |
| Memory | Technology | DDR2 533/667 MHz | DDR2 533/667 MHz |
| Max. Capacity | 4 GB | 4 GB |
| Socket | 2 x 200pin SODIMM | 2 x 200pin SODIMM |
| Graphics | Chipset | Integrated graphics built in Intel GME965, Mobile Intel Graphics Media Accelerator X3100 | Integrated graphics built in Intel GME965, Mobile Intel Graphics Media Accelerator X3100 |
| Interface | CRT Interface(Optional by cable) DVI Inerface, compliant with DVI 1.0 LVDS1 48-bit LVDS Interface Optional) | CRT Interface(Optional by cable) DVI Inerface, compliant with DVI 1.0 LVDS1 48-bit LVDS Interface Optional) |
| 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 | Spkr-out, Mic-in, Line-in | Spkr-out, Mic-in, Line-in |
| I/O Interface | Serial Interface | 2 x RS232, 2 xRS232/422/485 (RS-485 with autoflow control) | 2 x RS232, 2 xRS232/422/485 (RS-485 with autoflow control) |
| 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) |
| eSATA | 1 x eSATA port | 1 x eSATA port |
| Digital I/O | Support 16-bit digital IO (optional) | Support 16-bit digital IO (optional) |
| Others | Function key | 6 programmable function keys | 6 programmable function keys |
| Expansion | ISA/PCI/PCIe Slot | 2 slots PCI(default)/ s slots PCIe x1 (optional) / 1 slot PCi and 1 slot PCIe x 1(optional) / 1 slot PCI and 1 slot PCIe x 4 (optional) | 2 slots PCI(default)/ s slots PCIe x1 (optional) / 1 slot PCi and 1 slot PCIe x 1(optional) / 1 slot PCI and 1 slot PCIe x 4 (optional) |
| Mini-PCIe | 1 x Full Size Mini-PCIe | 1 x Full Size Mini-PCIe |
| 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 Input | Input Voltage | 9VDC~34VDC | 9VDC~34VDC |
| Environment | Operating Temperature | with SSD: -20~ 55°Cwith HDD: 0 ~ 45° C | with SSD: -20~ 55°Cwith HDD: 0 ~ 45° C |