Asus P4SD 865GV Socket 478 mATX Motherboard w/Video/Sound & LAN Asus P4SD Socket 478 i865PE mATX Motherboard General Features: Intel 865PE Northbridge chipset Intel ICH5 Southbridge chipset Socket 478 mATX form factor - Intel Extreme Grapics 2 onboard video technology - Supports up to 4 GB DDR RAM (DDR400/350/333/266) Realtek ALC650 6-channel AC'97 audio codec Realtek RTL8101L 10/100 Ethernet LAN Two (2) IDE controllers One (1) floppy controller - Four (4) USB 2.0 ports (two rear, two via internal header)