ASUS Socket 1156/Intel P55/SATA3&USB 3.0/A&GbE/ATX Motherboard s P7P55D-E LX CPU: Socket 1156 Support Intel Core i3/Core i5/Core i7 Processors, Support Intel Turbo Boost Technology Chipset: Intel P55 Express Chipset Memory: 4x 240pin DDR3-2200(OC)/1600/1333/1066 DIMMs, Non-ECC/Unbuffered, Dual Channel, Upto 16GB Slots: 1x PCI-Express 2.0 x16 Slot; 4x PCI-Express 2.0 x1 Slots; 2x PCI Slots IDE/SATA: 1x ATA-133 Channel, 6x SATA2 Ports, Support RAID 0, 1, 5, 10; 2x SATA 6Gb/s Ports, 1x eSATA Port Audio: VIA VT1708S 8-Channel High-Definition Audio CODEC Ports: 12x USB 2.0 Ports(6 rear, 6 at mid-board); 2x USB 3.0 Ports; 2x PS/2 Ports; 1x eSATA Port; 1x Optical S/PDIF Out Port; 1x RJ45 LAN Port; Audio I/O Jacks Power Connector: 1x 24pin Main Power; 1x 8pin CPU Power LAN: Realtek 8112L Gigabit Ethernet Controller