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 Z68 (B3) Chipset Main Memory - Supports four unbuffered DIMM of 1.5 Volt DDR3 1066/1333/1600*/2133*(OC) DRAM, 32GB Max - Supports 1GB/ 2GB/ 4GB/ 8GB DRAM size - Supports Dual channel mode Slots - 3 PCI Express gen2 x16 slots - PCI_E2 supports up to PCIE x16 speed when PCI_E4 is empty, or PCI_E2 will support up to PCIE x8 speed when PCI_E4 is installed - PCI_E4 supports up to PCIE x8 speed - PCI_E5 supports up to PCIE x4 speed (due to the limitation of the chipset, when the PCI_E5 has been installed with a PCIE x4 device, 1 eSATA ports, SATA7 port, 1 onboard front USB 3.0 connectors, 2 PCI slots and 1394 rear IO port will become unavailable.) - 2 PCIE x1 slots - When both of the PCIE x1 (PCI_E1, PCI_E3) slots have been installed, only the PCI_E1 slot is available, using one PCIE x1 slot is recommended.- 3 PCI Express gen2 x1 slots - 2 32-bit v2.3 master PCI bus slots. - Support 3.3v/5v PCI bus interface. On-Board SATA - SATAII controller integrated in Intel Z68 (B3) chipset - Up to 3Gb/s transfer speed. - Supports four SATAII ports (SATA3~6) by Z68 (B3) PCH - SATAIII controller integrated in Intel Z68 (B3) chipset - Up to 6Gb/s transfer speed. - Supports two SATAIII ports (SATA1~2) by Z68 (B3) PCH - SATA1~6 ports support RAID 0/1/5/10 mode by Intel Z68 (B3) PCH - SATAIII / eSATAIII controller integrated in Marvell 88SE9128 chipset - Supports one SATA 6Gb/s port & one eSATA 6Gb/s port (back panel) USB 3.0 - 1 USB 3.0 internal connector by NEC D720200 - 2 USB 3.0 rear I/O ports by NEC D720200 Audio - Chipset integrated by Realtek ALC892 - Flexible 8-channel audio with jack sensing - Compliant with Azalia 1.0 Spec - Meet Microsoft Vista Premium spec LAN - Supports two PCI Express LAN 10/100/1000 Fast Ethernet by Realtek 8111E. IEEE1394 / FireWire - VIA VT6308P chipset - Supports up to two 1394 ports. (Rear panel x1, pinheader x1) - Transfer rate is up to 400Mbps. Internal I/O Connectors - ATX 24-Pin power connector - 8-pin ATX 12V power connector - 6-pin ATX 12V VGA connector - CPU x 1 / System x 4 FAN connectors - CD-in connector - Front panel audio connector - Front panel connector - 1 x chasis intrusion connector - 3 x USB 2.0 connectors - 1 x USB 3.0 connectors - 4 x Serial ATAII connectors - 3 x Serial ATAIII connectors - 1 x IEEE1394 connector - 1 x Clear CMOS jumper - 1 x SPDIF-out connector - 1 x TPM module connector - 1 x Voltage Check Point - 1 x Power button - 1 x Reset button - 1 x OC Genie button Back Panel I/O Ports - 1 x Optical SPDIF port - 1 x PS/2 Mouse/Keyboard port - 1 x Clear CMOS button - 1 x IEEE1394 port - 2 x RJ45 LAN Jacks - 4 x USB 2.0 ports - 1 x eSATA port - 2 x USB 3.0 ports - 1 x DVI-D port - 1 x HDMI port - 1 x 6 in 1 audio jack MSI Reminds You... - HDMI, DVI-D ports 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 - 30.5cm(L) x 24.4cm(W) 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.