With the SiS 648FX chipset, the ASUS P4S800 supports latest 800MHz FSB Intel Pentium 4 or Celeron processor with Hyper-Threading technology. Supporting up to 3GB of system memory with the PC3200/2700/2100/1600 DDR DIMMs, high-resolution graphics via an AGP 8X slot, USB 2.0 and 6-channel audio features, the P4S800 is your affordable vehicle to enter the world of computing!