Foxconn NF4K8AC-RS NF4 Socket 939 ATX Motherboard w/Sound & LAN Foxconn NF4K8AC-RS NF4 Socket 939 ATX Motherboard General Features: NF4 (Single chipset solution) Socket 939 ATX form factor Supports up to 4 GB DDR RAM Integrated Realtek ALC 655 (AC97 interface) audio 10/100 M.LAN (Integrated GbE MAC + Broadcom AC131 10/100 PHY) Supports 4 Serial ATA /150 devices, RAID 0, RAID 1, RAID 0+1