MSI AMD 990FXA-GD65 Chipset, Socket AM3 @ FSB 5200MT/s, 64-Bit AMD Athlon/Phenom II Support, DDR3-1333, Dual Memory Channel, 4x DIMM Slots (Max 32GB), 4x PCI-Ex16, AMD CrossFireX / SLI, 2x PCI-Ex1, 1x PCI 32Bit, 6x SATA3 RAID, 2x USB 3.0, 8x USB 2.0, 1x Serial Port, Azalia Realtek ALC887 8CH High Definition Audio, Realtek 8111E 10/100/1000 LAN, Power E-SATA, DrMOS, APS, Easy Button, OC Genie, Hi-C Cap, All Solid Capacitors - 3 Year Warranty