CPU
Intel Core^TM i7/i5/i3/Pentium/Celeron processor

CPU Type
Socket LGA 1155

Front Side Bus
N/A

Chipset
Intel Q77 Express

BIOS
AMI 128Mbit SPI

Memory
Dual-channel DDR3 1066/1333/1600MHz (non-ECC)

Max. Capacity
Up to 32GB

Socket
4 x 240-pin DIMMs

Display
Intel HD Graphics

Display Mode
2 independent displays supported by SNB processor
3 independent displays supported by IVB processor

Ethernet Controller
1 x Intel 82579LM GbE LAN PHY
1 x Intel 82583V GbE LAN

Audio
Realtek ALC887 HD Audio Codec

Super I/O
Fintek F81866

Watchdog Timer
255-level Watchdog Timer

Smart Fan
Yes

USB
4 x USB 3.0 (rear)
8 x USB 2.0 (2 x rear, 6 x internal)

Serial
6 x COM ports (COM1: rear, COM 2 to 6: internal)
COM 1 and 2: RS-232/422/485, 0V/5V/12V
COM 3 to 6: RS-232, 0V/5V/12V

Expansion Slot
PCIe x 16 : 1
PCIe x 4 : 1
PCIe x 1 : N/A
PCI : 5
Mni-PCIe : 1
ISA : 1 (optional)

Parallel
Yes

PS/2
1 x PS/2 port by Y-cable for keyboard and mouse