ASRock 970 EXTREME3 AMD 970 & SB950 ATX DDR3 800 AMD - AM3+ Motherboard Socket AM3+ Chipset: AMD 970 & SB950 Memory: 4x DDR3-2100(OC)/1866(OC)/1800(OC)/1600(OC)/1333/1066/800 DIMMs Slots: 2x PCI-Express 2.0 x16 Slots; 2x PCI-Express 2.0 x1 Slots; 2x PCI Slots SATA: 5x SATA3 Ports, Support RAID 0/ 1/ 5/ 10; 1x eSATA3 Port Ports: 10x USB 2.0 Ports (4 rear, 6 by headers); 2x USB 3.0 Ports Power Connector: 1x 24pin main power, 1x 8pin CPU power Form Factor: ATX