Foxconn P55MX Intel® Core™ i7, Core™ i5 processors, Socket LGA1156 Supports Intel® 45nm Hi-K CPU Dual channel DDR3 1333/1066 x 2 DIMMs, Max. 8GB 1* PCIe2.0 x16, 1* PCIe x4, 2* PCI 6* SATA II 7.1 channel HDA Gigabit LAN 14 USB 2.0 ports BIOS Version: 946F1P03