MSI Motherboard for ATX LGA775 Intel 975X ICH7R (975XPLATINUM) Accepts 4 DIMMs with DDR2 800+ up to 8GB (DDR2 800 supports up to 4GB) 2 PCI-E 16X (Cross-Fire, runs at dual 8X speed); 2 PCI-E 1X; 2 PCI; 8 USB ports 8 Channel Audio; Intel Gb LAN; RAID (1, 0, 0+1); IEEE 1394; SATA2; ATA133 Intel ViiV Technology, Live Update; MSI Dual CoreCell; MSI Dual CoreCenter, DigiCell; DOT