ASRock ATX 64GB DDR3 2100 AM3+ AMD Motherboard (970 EXTREME3 R2.0 ) Chipset: North Bridge AMD 970 & South Bridge AMD SB950 Memory: 4x DDR3-2100+(OC)/1866(OC)/1800(OC)/1600(OC)/1333/1066/800 DIMM Slots, Dual Channel, Non-ECC, Buffered, Max Capacity of 64GB Slots: 2x PCI-Express 2.0 x16 Slots (one runs at x4), 2x PCI-Express 2.0 x1 Slots, 2x PCI Slots SATA: 5x SATA3 Ports, Support RAID 0, 1, 5, 10 LAN: Realtek RTL8111E PCI-Express x1 Gigabit? Ethernet Controller Ports: 4x USB 3.0 Ports (2 rear,?2 via header), 10x USB 2.0 Ports (4 rear, 6 via headers), 1x PS/2 Mouse Port, 1x PS/2 Keyboard Port, 1x eSATA3 Port, 1x Coaxial S/PDIF Out, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks Power Connector: 1x 24pin ATX Power Connector, 1x 8pin 12V Power Connector