Chipset: intel H55 Processor: Intel LGA 1156 socket, core i3/i5/i7 Memory: Dual-Channel DDR3 1066/13333 upto 8 GB Sound:8 CH sound chip USB: 8 USB SATA:4 PCI: 1 PCI EX16, 1 PCI EX1 Display: HDMI VGA, LAN, SOUND on board - Update: 2012-04-18

Chipset: Intel H67 Processor: Intel LGA 1155 socket, core i3/i5/i7 Memory: Dual-Channel DDR3 1066-1333. upto 16GB Sound: 8 CH sound chip USB: 10 USB SATA: 2 eSATA, 4 SATA PCI: 1 PCI EX 16, 1 PCI EX 1 Display: HDMI VGA, DVI,HDMI, LAN, SOUND on... - Update: 2012-04-18