Supports the latest Intel Pentium 4 processors with Hyper-Threading Technology / Intel High Definition Audio, PCI Express expansion slots, Gigabit LAN Support for up to 4 GB of system memory Four DDR SDRAM DIMM sockets Chipset Intel 915G Chipset I/O Control LPC Bus I/O controller Audio Intel High Definition Audio subsystem using the Realtek ALC860 audio codec Video Intel GMA900 onboard graphics subsystem LAN Support 10/100 Mbits/sec LAN subsystem using the Intel 82562EZ Platform LAN Connect (PLC) device Eight USB 2.0 ports One serial port One parallel port Four Serial ATA interfaces One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support One diskette drive interface PS/2 keyboard and mouse ports Expansion Capabilities Four PCI Conventional bus connectors Two PCI Express x1 bus add-in card connector One PCI Express x16 bus add-in card connector