CPU Support LGA1155 2nd generation Intel Core™ processor : Intel Core i7 /i5 / i3 series processors Chipset Intel P67 Express Chipset BIOS AMI BIOS, 16Mb Flash ROM Memory 4 slots 240-pin DDR3 800/1066/1333/1600+ non-ECC ,un-buffered memory 16 GB Max. Expansion Slots 4 x PCI Express 2.0 x16 slots 2 x 32-bit PCI slots Storage 4 x Serial ATA III 6Gb/s connectors 3 x Serial ATA II 3Gb/s connectors Supports HDDs with RAID 0, 1,5,10 functions Audio Realtek ALC892 HD Audio CODEC with 8-Channel Ethernet LAN Marvell 88E8057 PCI-Express Gigabit LAN Rear Panel I / O 8 x USB 2.0 port 2 x USB 3.0 port 1 x 1394a port 1 x SPDIF Coaxial OUT 1 x Audio I / O ports 1 x SPDIF Optical Out 1 x Supporting Bluetooth 2.1 + EDR by Atheros AR3011 1 x e-SATA port PS/2 KB/MS combo port Internal I / O 2 x USB 2.0 headers 4 pins CPU PWM Fan connectors 3 Pin Chassis Fan connectors 24-pin ATX Power connector 8-pin ATX 12V Power connector Control (Front) panel headers SPDIF In/out header 1 x 1394a headers Form Factor ATX, Size 12" x 9.6" OS support Windows Vista (32/64) bit Windows 7 (32/64) bit