Processor: LGA1155 Sandy Bridge socket Chipset: Intel H61 Chipset Front Side Bus: Memory: Supports 2 x 240-pin Dual channel DDR3 1333/1066 x 2 DIMMs, Max. 16GB VGA on Die: Expansion Slots: 1x PCI Express 2.0 x16 slots 1x PCI Express x1 slot IDE: Serial ATA(SATA)/RAID: 4xSATAII, provide 4 SATA3.0Gb/s connectors Audio: 5.1 channel HD Audio LAN: Gigabit LAN IEEE1394: Back Panel I/O Ports: 1x PS2 keyboard/Mouse port 1x VGA port 6x USB 2.0 ports 1x RJ45 Lan port 1x Audio 3 jacks Internal I/O Connectors: 1x ATX 24-Pin power conn 1x 4-pin ATX 12V power conn 2x 4-pin CPU/System FAN headers 1x Front pannel header 1x Front Audio header 1x COM header 1x Speaker header 4x SATA2 connectors 2x USB headers 1x Intruder Alarm header 1x CLR_CMOS header BIOS Features: 32Mb flash EEPROM w/ LAN boot PnP, ACPI, WfM, DMI 2.0 Support CD: Drivers, Adobe Reader, SuperUtilities, Norton Internet Security Standards/Manageability: USB2.0, DMI 1.5 Form Factor: mATX form factor 8.9 inch x 6.8 inch - 4