ASUS A8R-MX/DP ATI RADEON Xpress 200 AMD Athlon 64 FX Socket-939 DDR400 Micro ATX Motherboard with Onboard Video/HD Audio/Gigabit LAN/IEEE-1394 ATI RADEON Xpress 200 and ULi 1573 Chipset, 1000MHz FSB Supports AMD Socket-939 Athlon 64 FX / Athlon 64 / Sempron CPU 4 x 184Pin DDR400 Dual Channel DIMM slots, 4GB Max. Onboard ATI RADEON Video, Azalia HD 8-CH Audio, GIGALAN Micro ATX Form Factor, 1 x PCIe x16, 1 x PCIe x1, 2 x PCI, 4 x SATA