Full Details from Amazon.com : http://www.amazon.com/gp/product/B007KTY4A6?tag=onigi-20
AS Rock LGA1155 DDR3 SATA3 USB3.0 Quad CrossFireX and Quad SLI A GbE ATX Motherboard Z77 EXTREME4
CPU LGA1155 Supports 2nd3rd Generation Intel Core i7 i5 i3 Processor Supports Intel Turbo Boost 20 Technology Supports Hyper-Threading Technology
Chipset Intel Z77
Memory 4X DDR3-2800OC2400OC2133OC1866OC160013331066 DIMM Slots Non-ECC Unbuffered Dual Channel Maxi Capacity up to 32GB
Slots 2X PCI-Express 30 X16 Slots runs at X8 2 X PCI Express 20 X1 Slots 2 X PCI Slots
SATA 4X SATA3 Ports one connector is shared with eSATA3 port Two Support RAID 0 1 5 10 4X SATA2 Ports Support RAID 0 1 5 10
Ports 8X USB 20 Ports 2 rear 6 via header 6X USB 30 Ports 4 rear2 via header 1X PS2 KeyboardMouse Port 1XVGA Port 1X DVI Port 1X Optical SPDIF Out Port 1X HDMI Port 1X eSATA3 Port 1X RJ45 LAN Port Audio IO Jacks