ECS LGA1155/Intel Z77/DDR3/SATA3 USB 3.0/A&V&GbE/ATX Motherboard Z77H2-A3 Chipset: Intel Z77 Express Memory: 4x 240-Pin DDR3-2800(OC)/2600(OC)/2400(OC)/2133(OC)/1800(OC)/1600 DIMM Slots, Dual Channel, Max Capacity of 32 GB Slots: 1x PCI-Express 3.0 x16 Slot, 4x PCI-Express x1 Slots, 2x PCI Slots SATA: 4x SATA2 Ports, 2x SATA3 Ports, Support Raid 0, 1, 5, 10 Ports: 10x USB 2.0 Ports (6 rear,4via headers), 4x USB 3.0 Ports (2 rear, 2 via header),1x PS/2 Key board/Mouse Port, 1x VGA Port, 1x DVI Port,1x RJ45 LAN Port, Audio I/O Jacks Power Connector: 1x 24-Pin ATX Power Supply Connector, 1x 4-Pin ATX Power Supply Connector