CPU socket : intel 1155 socket (SandyBridge / IvyBridge) 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 : Up to 16GB Expansion slots : 1*PCIE 16X, 2*PCIE 1X Serial ATA Controller : 4*SATA Onboard VGA : VGA and Lan integrated on board 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 Dimension: - Micro-ATX (17x19Cm)