MSI Computer Corp. LGA 1155 Intel Z77 DDR3 1333 CrossFireX and SLI/ SATA3 USB 3.0 A&GbE ATX Motherboard Z77A-GD65 GAMING CPU: LGA1155 Memory: 4x DDR3-3000(OC)/2800/2667/2600/2400/2200/2133/2000/1866/1600/1333/1066 DIMM Slots, Dual Channel, Max Capacity of 32GB Slots: 3x PCI-Express 3.0 x16 Slots, 4x PCI-Express 2.0 x1 Slots SATA: 4x SATA3 Ports, Two Support RAID 0, 1, 5, 10; 4x SATA2 Ports, Support RAID 0, 1, 5, 10 LAN: Killer E2205 PCI-Express Gigabit Ethernet Controller Ports: 4x USB 3.0 Ports (2 rear, 2 via header), 10x USB 2.0 Ports (4 rear, 6 via headers), 1x PS/2 Keyboard/Mouse Port, 1x VGA Port, 1x DVI-D Port, 1x HDMI Port, 1x Coaxial S/PDIF Out, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks Power Connector: 1x 24pin ATX Power Connector, 1x 8pin 12V ATX Power Connector