SpecificationsMfr Part Number: TZ77MXECPU: LGA1155, Supports Intel Core i7/ i5/ i3 Processors; Supports up to 95W TDPChipset: Intel Z77Memory: 4x DDR3-2600(OC)/2400(OC)/2133(OC)/1866(OC)/1600/1333/1066 DIMM Slots, Dual Channel, Supports up to 32GB MemorySlots: 1x PCI-Express 3.0 x16 Slot; 1x PCI-Express 2.0 x16 Slot (runs at x4); 2x PCI-Express 2.0 x1 SlotsMulti-Graphics: Supports AMD CrossFireX TechnologySATA: 2x SATA3 Ports, 4x SATA2 Ports; Supports RAID 0, 1, 5, 10Audio: Realtek ALC892 8-Channel High Definition Audio CODECVideo: Integrated Graphic ControllerLAN: Realtek RTL8111E Gigabit ControllerPorts: 4x USB 3.0 Ports (2 rear, 2 via header); 8x USB 2.0 Ports (4 rear, 4 via header); 1x PS/2 Keyboard Port; 1x VGA Port; 1x HDMI Port; 1x DVI Port; 1x RJ45 Port; Audio I/O JacksForm Factor: MATXDimensions: 24.4 x 24.4 cm