CPU Cooler
CPU Cooler	CF-1156A-RS-R11 (for 1U chassis)/ CF-1156C-RS/ CF-1156D-RS/ CF-1156E-R11
Display
Display	Dual display supported 1 x VGA 1 x DVI-D
Environment
Humidity	5% ~ 95%, non-condensing
Operating Temperature	-10°C ~ 60°C (14°F ~ 140°F)
Expansion Slots
Expansion Slots	1 x PCIe x16 2 x PCIe x1 4 x PCI
FSB
FSB	N/A
I/O Interface
Audio	Realtek ALC662 HD Audio Codec
Digital I/O	8-bit digital I/O (4-bit input/4-bit output)
Ethernet	LAN1: Realtek RTL8111E PCIe GbE controller with ASF 2.0 support LAN2: Realtek RTL8111E PCIe GbE controller
I/O Interface	5 x RS-232 1 x RS-422/485 10 x USB 2.0 1 x LPT 1 x 4-pin wafer for SMBus 1 x 4-pin wafer for I²C 1 x PS/2 KB/MS 1 x TPM connector (2x10 pin)
I/O Interface
I/O Interface	1 x LPT
	2 x RS-232
	1 x RS-422/485
	1 x SMBus
	2 x LAN LED
	1 x KB/MS
	6 x Internal USB 2.0
	4 x Internal RS-232
	1 x I²C
	4 x USB 2.0
	1 x Internal RS-422/485
Option
iRIS	N/A
Power
Power consumption	3.3V@1.27A, 5V@3.87A, 12V@0.54A, Vcore@7.67A, 5VSb@0.15A (Intel® Core™ i7-2600K 3.40GHz CPU with 1333MHz DDR3 2GB x 2 Memory)
System
Chipset	Intel® H61
CPU	Intel® Core™ i7/i5/i3, PentiumR, Celeron® processor
CPU Socket	LGA1155
Memory Max.	Two 240-pin 1333/1066MHz dual-channel DDR3 SDRAM DIMM (system max. 16GB)
Storage	4 x SATA 3Gb/s
Watchdog Timer
Watchdog Timer	Software programmable and supports 1~255 sec. system reset