Asus P5K-E LGA775 Intel P35 DDR2-1066 ATX Motherboard Support for the Intel Core 2 Quad and Intel Core 2 Duo processors, 1333 / 1066MHz system bus in the LGA775 package Four DIMM sockets, designed to support up to 8 GB of DDR2 1066 6 x SATA 3.0 Gb/s ports 1 x UltraDMA 133/100/66 for up to 2 PATA devices 2 x External SATA 3.0 Gb/s port