Asus M4A87TD EVO MB, Socket AM3, AMD Socket AM3 ;PhenomII /AthlonII /Sempron 100 Series Processors Support 45nm CPU, AMD Cool 'n' Quiet 2.0 Technology (by CPU type), Support CPU up to 140W, AMD 870/SB850, Up to 5200 MT/s ; HyperTransport 3.0 interface, 4 x DIMM, Max. 16 GB, DDR3 2000(O.C.)/1600/1333/1066 ECC,Non-ECC,Un-buffered Memory, Dual Channel memory architecture, 2 x PCIe 2.0 x16 (*blue@ x16 mode, black@ x4 mode), 1 x PCIe 2.0 x1, 3 x PCI, SB850 Chipset, 6 xSATA 6.0 Gb/s ports Support RAID