NANO-PV-D4251/N4551/D5251
Display	Dual display supported 1 x VGA 1 x 18-bit single-channel LVDS
CPU	Intel® Atom™ D525 1.8GHz Intel® Atom™ D425 1.8GHz Intel® Atom™ N455 1.66GHz
Chipset	Intel® ICH8M
Memory Max.	1 x 204-pin 800 MHz 4 GB DDR3 SO-DIMM (system max. 4GB) for D525/D425 1 x 204-pin 800 MHz 2 GB DDR3 SO-DIMM (system max. 2GB) for N455
CPU Socket	On board
Ethernet	Dual PCIe GbE by Realtek RT8111E support ASF 2.0
Digital I/O	8-bit digital I/O (4-bit input/4-bit output)
Audio	Realtek ALC888 HD Audio codec
Operating Temperature	-10°C ~ 60°C
Humidity	5% ~ 95% non-condensing
Storage	2 x SATA 3Gb/s 1 x CF Type II
Power consumption	2.21A @ 12V (Intel® Atom™ D525 with 2GB 1066MHz DDR3) 2.11A @ 12V (Intel® Atom™ D425 with 2GB 1066MHz DDR3) 2.00A @ 12V (Intel® Atom™ N455 with 2GB 1066MHz DDR3)
CPU Cooler	Heatsink
Expansion Slots	1 x PCI-104 slot 1 x PCIe Mini card Slot
I/O Interface	4 x RS-232 1 x RS-232/422/485 8 x USB 2.0 1 x TPM connector (2x10 pin) 1 x LPT 1 x KB/MS
I/O Interface	1 x LPT 4 x RS-232 1 x RS-422/485 8 x USB 2.0 1 x RS-232/422/485
Watchdog Timer	Software programmable and supports 1~255 sec. system reset