product information : asus p5kpl/1600 intel g31 chipset lga775 atx 1333fsb ich7 pentium d &core 2 duo core 2 quad ddr2 800 1xpci ex16 gblan sataii 6 channel sound crossfire x ready, featuring top game experience. intel lga775 platform intel g31/ich7 chipset fsb 1600(o.c.)/1333/1066/800 ddr2 1066(o.c.)/800/667 2 pci express x16 slots, support cfx 4x sata 3gb/s v1708b 8-ch hd audio * ai net2, mylogo2, ez flash2 & crashfree bios3