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 theintegratedVIA Chrome9 HC IGPvideo and Realtek ALC861VD 6-channel audio! Create your own network via the RealTekRTL8201CL integrated 10/100 LAN! Use theSerial ATA, IDEandfloppy controllers to connect your optical drive,hard drive and floppy drive!