Micro-Star K8N Neo4-F Socket 939 AMD Athlon 64/FX/X2 CPU Type: Athlon 64 FX / Athlon 64 Socket 939; FSB: 1000MHz Hyper Transport (2000 MT/s) North Bridge: NVIDIA nForce4 Number of Memory Slots: 4184pin; Memory Standard: DDR 400; Maximum Memory Supported: 4GB; Channel Supported: Dual Channel Audio Chipset: Realtek ALC850; Audio Channels: 8 Channels LAN Chipset: Marvell 88E1111 PHY; Max LAN Speed: 10/100/1000Mbps