Key Features # CPU: AMD® Athlon 64 X2, Athlon 64, Athlon FX and Sempron in the Socket AM2 package. # FSB: HyperTransport supporting speed up to 1GHz (2000MT/s) # Vista Premium Certified # Chipset: NVIDIA® nForce 570 Ultra MCP Chipset # Supports Dual DDR II 533/667/800 # 30.5cm(L) x 24.5cm(W) ATX Form Factor Specifications: CPU AMD® Athlon 64 X2, Athlon 64, Athlon FX and Sempron in the Socket AM2 package. FSB HyperTransport supporting speed up to 1GHz (2000MT/s) Chipset NVIDIA® nForce 570 Ultra MCP Chipset Main Memory Supports Dual DDR II 533/667/800 4 DDRII DIMMs (240pin / 1.8V) Supports a maximum memory size up to 8GB. Slots 2 PCI Express x16 slots support SLI technology. SLI mode Primary PCI-E x16 slot is compatible with PCI Express x 8, Secondary PCI-E x16 slot is compatible with PCI Express x 8 Non-SLI mode Primary PCI-E x16 slot is compatible with PCI Express x16, Secondary PCI-E x16 slot is compatible with PCI Express x8 2 PCI Express x1 slots 3 PCI slots, support 3.3V/ 5V PCI bus Interface, includes one orange slot which supports 2 master for MSI special PCI function card (ex. wireless LAN and bluetooth combo card.). On-Board IDE One IDE port by NVIDIA® nForce 570 Supports Ultra DMA 66/100/133 mode Supports PIO, Bus Master operation mode Can connect up to two IDE devices On-Board SATA 6 SATA II ports by NVIDIA® nForce 570 Supports storage and data transfers at up to 300 MB/s RAID Function SATA II 1~6 supports RAID 0/ 1/ 0+1 or RAID 5 mode by NVIDIA® nForce 570 Audio Chipset integrated by Realtek® ALC883 Flexible 8-channel audio with jack sensing Compliant with Azalia 1.0 Spec LAN Dual LAN jacks Supports Dual LAN 10/100/1000 Fast Ethernet by Vitesse VSC8601 Internal I/O Connectors ATX 24-pin power connector ATX 4-pin 12V CPU power connector ATX 4-pin VGA power connector CPU / System / NB FAN connectors CD-in connector Clear CMOS button IrDA infrared module header Chassis intrusion switch connector Front panel audio connector Front panel connector D-Bracket2 connector 3 x USB 2.0 connector support additional 6 ports 1 x Floppy disk drive connector 6 x Serial ATA II connectors 1 x ATA133 HD connectors Back Panel I/O Ports 1 x Parallel port 1 x Serial port (COM 1) 1 x PS/2 keyboard 1 x PS/2 mouse 1 x Coaxial SPDIF out 1 x 6 in 1 audio jack (S/SPDIF out) 4 x USB 2.0 ports 2 x RJ45 LAN jack Dimension 30.5cm(L) x 24.5cm(W) ATX Form Factor Mounting 9 mounting holes.