Build your own Socket 478 system! This Biostar P4M900-M4 mATX motherboard features the VIA P4M900 + VT8237A chipset, supports up to 4 GB DDR2 RAM and supports Intel Hyper-Threading technology! Experience clear crisp viewing and rich sound with the integrated VIA Chrome9 HC IGP video and Realtek ALC861VD 6-channel audio! Create your own network via the RealTek RTL8201CL integrated 10/100 LAN! Use the Serial ATA, IDE and floppy controllers to connect your optical drive, hard drive and floppy drive! Expand with one PCI Express x16 slot, one PCI Express x1 slot and two PCI slots! This Biostar P4M900-M4 motherboard supports Intel Pentium 4, Celeron D and Celeron Socket 478 processors with 400/533/800 MHz FSBs (Front Side Bus)! Add this Biostar motherboard inside your case, connect the peripherals and get ready for powerful computing!