ASRock LGA1150/Intel Z87/DDR3/Quad CrossFireX/SATA3 and USB 3.0/A&GbE/ATX Motherboard Z87 PRO4 LGA1150 Form Factor: ATX Memory: 4x DDR3-2933+(OC)/ 2800(OC)/ 2400(OC)/ 2133(OC)/ 1866(OC)/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 32GB SATA: 6x SATA3 Ports, Support RAID 0, 1, 5, 10 Slots: 1x PCI-Express 3.0 x16 Slot, 1x PCI-Express 2.0 x16 Slot (runs at x4), 2x PCI-Express 2.0 x1 Slots, 2x PCI Slots Ports: 9x USB 3.0 Ports (4 rear,?4 via headers, 1 Type A), 8x USB 2.0 Ports (4 rear,?4 via headers), 1x PS/2 Mouse/Keyboard Port, 1x VGA Port, 1x DVI-D Port, 2x HDMI Ports, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks LAN: Giga PHY Intel I217V Gigabit Ethernet Controller