Micro-Star NFORCE4 SOCKET 939 ATHLON64FX (K8N NEO4-F) ATX form factor On-Board IDE/SATA controller provides Ultra DMA133/100/66 operation modes Supports 64-bit AMD Athlon 64FX/64 processor (Socket 939) - Supports 3000+, 3200+, 3500+, 3800+, 4000+, FX53 and FX55 NVIDIA nForce4 Chipset - Supports PCI Express X16/X4/X1 interface / - Two independent SATA controllers, for four drives / IEEE 802.3 NVIDIA MAC for 1000BASE-T / Dual Fast ATA-133 IDE controllers HyperTransport link to the AMD Athlon 64/Athlon 64FX CPU