Product Detail Intel P55 chipset Supports 4 DIMM Dual Channel memory up to 1600MHz 13 USB ports with 6 onboard 8 channel HD audio Firewire IE1394 and 2 x 8 PCI Express lanes . The "EVGA P55 Micro SLI Mainboard 121-LF-E652-KR" is best product for you. We recommended EVGA P55 Micro SLI Mainboard 121-LF-E652-KR