MSI 790XT-G45 AM3/AM2+/AM2 AMD 790X 16GB 2600MHz ATX AMD Motherboard Socket AM2+ Support AMD Phenom/ Athlon/ Sempron Processor; AM3 CPU Ready; Support HyperTransport 3.0; FSB upto 5200MT/s AMD 790X and SB710 Chipset 4x 240pin DDR2-1066/800/667/533 DIMMs, Dual Channel, Max Capacity 16 GB Memory 2x PCI-Express 2.0 x16 Slots(Support ATI CrossFire Technology); 2x PCI-Express x1 Slots; 2x PCI Slots IDE/SATA- 1x ATA-133 Channel; 6x SATA2 Ports, Support RAID 0, 1, 0+1 or JBOD