Gigabyte Intel Core i7/i5/LGA1156/4DDR3-2200/CrossFireX/SLI/2GBE/Raid/SATA3/eSATA/USB3.0/7.1-CH/1394 ATX Motherboard GA-P55A-UD4P ntel P55, Socket LGA1156, ATX, Dual-Channel DDR3, PCIe, SLI, CrossFireX, USB 3.0, SATA 6Gb/s