CPU Socket : Intel Socket 775 Supported CPU : Intel LGA775 Core 2 Duo/ Core Duo/ Pentium 4/ Pentium D/ Celeron D Northbridge Chipset : Intel G41 Southbridge Chpset : ICH7 Chipset Front Side Bus : 800 / 1066 / 1333MHz Dimm sockets : 2* DDR3 Supported Memory : Support DDR3 1066 / 1333 Memory Max. Memory : 8 GB Expansion Slots : 1* PCI-Express 16X, 1* PCI Serial ATA Controller : 4* SATA, 1* IDE Port Onboard VGA : VGA and Lan Integrated Onboard Audio : HD Sound Channel, 6 Sound Channel Output LAN : Onboard RTL8103E / 100 / 10M USB : 8* USB 2.0 (4 USB Onboard and 4 Need To Be Eextended) Special Features : Support Hyper - Threading Other Items included : LPT Port and COM Port Operating System : Windows 7 *Ready