CPU - Support AMD Phenom II X3/ X4 & Athlon X2/ X3/ X4 CPU in the AM2+ package Please refer to CPU Support for compatible CPU; the above description is for reference only. Hyper Transport Bus - HyperTransport 2.0 supporting speed up to 1GHz Chipset - NVIDIA GeForce 6150SE & nForce 430 (MCP61P) chipset Main Memory - Supports Dual Channel DDR2 667/800/1066/1200* (OC) - 4 DDR2 DIMMs (240pin / 1.8V) - Supports a maximum memory size up to 16GB. Slots - One PCI Express x16 slot. - One PCI Express x1 slot. - Four PCI slots (support 3.3v/5v PCI bus interface). On-Board IDE - One IDE port by NVIDIA nForce 520 - Supports Ultra DMA 66/100/133 mode - Supports PIO, Bus Master operation mode - Can connect up to two IDE devices On-Board SATA - Two SATA II ports by NVIDIA nForce 520 - Supports storage and data transfers at up to 3Gb/s Audio - Chipset integrated by Realtek ALC888S - Flexible 7.1-channel audio with jack sensing - Compliant with Azalia 1.0 Spec LAN - Supports 10/100/1000 Fast Ethernet by Realtek 8111DL Internal I/O Connectors - ATX 24-pin power connector - 8-pin ATX 12V power connector - CPU x1 / System x3 FAN connectors - CD-in connector - 1 x Floppy disk drive connector - 2 x SATA II connectors - 1 x ATA133 connectors - 2 x USB 2.0 connector support additional 4 ports - SPDIF-Out connector - Front panel connector - Front panel audio connector - Chassis intrusion switch connector - Clear CMOS Jumper - OC Switch - 1 x TPM connector MSI Reminds You... - The floppy disk cable will be optional. Back Panel I/O Ports - 1 x PS/2 Keyboard - 1 x PS/2 Mouse - 1 x Parallel port - 1 x Serial port - 1 x 6 in 1 audio jack - 4 x USB 2.0 - 1 x RJ45 LAN Jack Dimension - 30.5cm(L) x 20.5cm(W) ATX Form Factor