MSI 790FX-GD70 Socket AM3--140 Watt CPU--AMD 790FX CrossFire--4DDR3-2133(OC)--ATI Quad/Triple CrossFireX--ATX Motherboard

AMD 790FX, 4 DDR3 (16GB max), 4 PCIEx16, ATX, 2,PCI, RAID, 1394, ATI Quad/Triple Cross-FireX Number of Memory Slots - 2 240pin Memory Standard - DDR2 1066/800/667 Maximum Memory Supported - 8GB Channel Supported - Dual Channel Expansion Slots - 1 x PCI Express 2.0 x16, 1 x PCI Express x1, 2 x PCI Slots PATA - 1 x ATA133 2 Dev. Max SATA 3Gb/s - 6 SATA RAID - 0/1/0+1/JBOD Onboard Video Chipset - ATI Radeon HD 4200 Audio Channels - 8 Channels Max LAN Speed - 10/100/1000Mbps Ports - 2 x PS/2, D-Sub + DVI, HDMI, 4 x USB 2.0, 6 Audio Ports Form Factor - Micro ATX Dimensions - 9.6 x 9 Power Pin - 24 Pin