CPU socket :Intel 1155 Socket Supported CPU :Pentium® Series i3, i5, i7 Processors Northbridge Chipset and Southbridge Chipset have been integrated in one chipset , and called H61chipset. Dimm sockets :2* DDR3 Supported Memory :support DDR3 1066/1333/1600MHz Max. Memory :8GB Expansion slots :1* PCIE 16X Serial ATA Controller :4* SATA Onboard VGA :VGA and Lan integrated onboard Audio :HD sound channel, 6 sound channel output LAN : on board 1000/100M lan chip USB :8* USB 2.0 ( 4 usb onboard and 4 need to be extended) Special Features :support Hyper- Threading Other Items included :COM port and DVI port