ASRock LGA1150/Intel Z87/DDR3/Quad CrossFireX and Quad SLI/SATA3 and USB 3.0/A&2GbE/ATX Motherboard Z87 PROFESSIONAL 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: 10x SATA3 Ports, Six Support RAID 0, 1, 5, 10 Slots: 3x PCI-Express 3.0 x16 Slots (run at x16 or x8/x8 or x8/x4/x4), 1x PCI-Express 2.0 x1 Slot, 1x Mini PCI-Express Slot, 2x PCI Slots Ports: 8x USB 3.0 Ports (4 rear, 4 via headers), 7x USB 2.0 Ports (3 rear, 4 via headers), 1x Fatal1ty Mouse Port (USB 2.0), 1x PS/2 Mouse/Keyboard Port, 2x HDMI Ports, 1x DisplayPort, 1x eSATA Port, 1x Optical S/PDIF Out, 2x RJ45 LAN Ports, Audio I/O Jacks LAN: Giga PHY Intel I217V and GigaLAN Intel I211AT Gigabit Ethernet Controllers