ASRock MB-970EX4 Socket AM3+/ AMD 970/ AMD Quad CrossFireX& nVidia SLI/ SATA3&USB3.0/ A&GbE/ ATX Motherboard Audio: Realtek ALC892 7.1-Channel HD Audio CODEC, Supports Premium Blu-ray audio, Supports THX TruStudio Pro SATA: 5x SATA3 Ports, Support RAID 0/ 1/ 0+1/ 5/ JBOD, 1x eSATA3 Port Memory: 4x DDR3-2100(OC)/1866(OC)/1800(OC)/1600(OC)/1333/1066/800 DIMMs, Dual Channel, Non-ECC/Un-buffered, Max Capacity up to 32GB Chipset: AMD 970 & SB950 Slots: 3x PCI-Express 2.0 x16 Slots(one run at x8, Or two run at x8, one run at x4, Supports AMD Quad/ 3-Way/ CrossFireX/ nVidia SLI ), 2x PCI-Express 2.0 x1 Slots, 2x PCI Slots Chipset: AMD 970 & SB950 Memory: 4x DDR3-2100(OC)/1866(OC)/1800(OC)/1600(OC)/1333/1066/800 DIMMs, Dual Channel, Non-ECC/Un-buffered, Max Capacity up to 32GB Slots: 3x PCI-Express 2.0 x16 Slots(one run at x8, Or two run at x8, one run at x4, Supports AMD Quad/ 3-Way/ CrossFireX/ nVidia SLI ), 2x PCI-Express 2.0 x1 Slots, 2x PCI Slots SATA: 5x SATA3 Ports, Support RAID 0/ 1/ 0+1/ 5/ JBOD, 1x eSATA3 Port Audio: Realtek ALC892 7.1-Channel HD Audio CODEC, Supports Premium Blu-ray audio, Supports THX TruStudio Pro LAN: Realtek RTL8111E PCI-Express x1 Gigabit Ethernet Controller, Supports Wake-On-LAN Ports: 10x USB 2.0 Ports (4 rear, 6 by headers), 4x USB 3.0 Ports (2 rear, 2 by headers), 1x eSATA3 Port, 2x PS/2 Ports, 2x IEEE 1394 Ports(1 rear, 1 by header), 1x Coaxial SPDIF Out, 1x Optical SPDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks Form Factor: ATX