ASRock Z68 Extreme4

Specifications:

Chipset
North Bridge	Intel Z68
Supported Chipset Technologies	Intel Smart Response Technology
CPU Supported
Socket Type	LGA 1155
Intel CPU Support	Core i7, Core i5, Core i3
Max Processor Wattage Supported	95W
Memory
Max Memory Supported Per Slot	8GB
Memory Type	DDR3
Memory Speeds Supported	DDR3-2133 (O.C.), DDR3-1866 (O.C.), DDR3-1600, DDR3-1333, DDR3-1066
Memory Slots	4 x 240pin DIMM
Max Memory Supported	32GB
Memory Channel Support	Dual Channel
Supported Memory Technologies	Supports Intel Extreme Memory Profile
Storage Controllers
SATA 3Gb/s	4
SATA 6Gb/s	4
SATA RAID	0/1/5/10
Video
Onboard Graphic Chipset	None
NVIDIA Multi-GPU Support	2-Way SLI Quad-GPU SLI
AMD Multi-GPU Support	CrossFireX 2-Way CrossFireX, 3-Way CrossFireX
Audio
Audio System	Realtek ALC892
Audio Channels	8-Channel
Networking
LAN Chipset	Broadcom BCM57781
LAN Speed	10/100/1000Mbps
Supported Network Technologies	Wake-On-LAN, Supports PXE
Expansion Slots
PCI Express 3.0 x16	2 (supports x16/x8)
PCI Express 2.0 x16	1
PCI Express x1	2
PCI	2
Back Panel Ports
PS/2	1
VGA 15-pin	1
DVI	1
HDMI	1
DisplayPort	1
USB 2.0	4
USB 3.0	2
FireWire 400	1
eSATA 6Gb/s	1
LAN RJ-45	1
Audio Ports	6
Digital Audio	1 x Optical
Internal I/O
USB	3 x USB 2.0 Headers (supports 6 additional USB ports) 1 x USB 3.0 Header (supports 2 additional USB ports)
FireWire	1 x IEEE-1394a Header
Other I/O	Front Audio Header Front Panel Header S/PDIF-Out Header 1 x CPU Fan Header 1 x System Fan Header Serial Port Header 1 x Power LED Header CIR Header IR Header
Power
ATX Power Connector	24-pin
ATX12V / EPS 12V Connector	8-pin
Regulatory Approvals	FCC CE WHQL
Environmental Standards	EuP 2013 ErP Ready
Physical Specifications
Form Factor	ATX
Dimensions (WxD)	(305mm x 244mm) - 12" x 9.6"