CPU - Supports Intel Sandy Bridge processors in LGA1155 package. Please refer to CPU Support for compatible CPU; the above description is for reference only. Chipset - Intel H61 (B3) Chipset Main Memory - Supports two unbuffered DIMM of 1.5 Volt DDR3 1066/1333 DRAM, 16GB Max - Supports Dual channel mode Slots - 1 PCI Express gen2 x16 slot - 3 PCI Express gen2 x1 slots On-Board SATA - SATAII controller integrated in Intel H61 (B3) chipset - Up to 3Gb/s transfer speed. - Supports four SATAII ports (SATA1~4) by H61 (B3) PCH Audio - Chipset integrated by VIA VT1708S - Flexible 8-channel audio with jack sensing - Compliant with Azalia 1.0 Spec - Meet Microsoft Vista Premium spec LAN - Supports one PCI Express LAN 10/100/1000 Fast Ethernet by Atheros AR8151. Internal I/O Connectors - ATX 24-Pin power connector - 4-pin ATX 12V power connector - CPU x 1 / System x 2 FAN connectors - Front panel audio connector - Front panel connector - 1 x chasis intrusion connector - 3 x USB 2.0 connectors - 4 x Serial ATAII connectors - 1 x Clear CMOS jumper - 1 x SPDIF-out connector - 1 x TPM module connector - 1 x Serial port connector Back Panel I/O Ports - 1 x PS/2 Mouse port - 1 x PS/2 Keyboard port - 4 x USB 2.0 ports - 1 x Parallel port - 1 x Serial port - 1 x Graphics Card port - 1 x RJ45 LAN Jack - 1 x 3 in 1 audio jack MSI Reminds You... - VGA port can only work with CPUs with GPUs core inside. BIOS - The mainboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and expansion cards of the board automatically. - The mainboard provides a Desktop Management Interface(DMI) function which records your mainboard specifications. Dimension - 24.5cm(L) x 20.5cm(W) M-ATX Form Factor Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.