--Intel ®B75 chipset --Support for Intel Ivy Bridge/Sandy Bridge LGA1155 package dual, quad core processor --2*DDRIII 1066/1333MHz memory slot,max support 8GB memory --1*VGA display interface -- 3*audio output/input/Microphone -- 2*COM 232 serial /4*SATAII --8*USB 2.0 interface/2*RJ-45Gigabit Network Interface processor - Support for Intel Ivy Bridge/Sandy Bridge LGA1155 package dual, quad core processor chipset - Intel ®B75 memory - 2* DDR3 1066/1333MHz memory slot,max support 8G graphics controller - Chipset integrated graphics controller Display interface: VGA audio - Realtek ALC622 audio decoder chip network - 2*RTL8111E Gigabit Network stroge - 4*SATAII expansion - 4*PCI,ISA USB - 8*USB 2.0 Front panel interface - 1*VGA display interface 2*RJ-45 Gigabit Network interface 1*PS/2 KM interface Internal pin - 4*USB pin, support 8*USB 2*RS232 pin 1* Parallel pins 1* audio pin Operating system - Windows XP/7/2000, Linux size - 338*122mm