ASUS K30AD-US003O Desktop PC (Intel Pentium G3240 3.1GHz Processor, 4GB DDR3, 1TB Hard Drive, Windows 7 Home Premium 64-Bit) Intel Pentium G3240 3.1GHz 64 bit Dual Core Processor (3MB L3 Cache)  4GB DDR3 (1600 ) RAM  1 TB 7200 RPM (Dont settle for the 5400 RPM on many competing models) Windows 7 Home Premium 64-Bit  Intel HD Graphics  USB Mouse, USB Keyboard  Dimensions (H x W x D): 13.8" x 7.1" x 15.4"  Weight: 13.5 lbs. SuperMulti DVD RW: Create and play CDs and DVDs  SonicMaster 8 channel audio, Gigabit Ethernet & 10/100/1000Mbps LAN  Expansion PCI Slots: 1 PCIe x16, 1 PCIe x1, 1 Mini PCIe Front Panel Ports: 2 x USB 3.0 , 2 audio ports , 6-in-1: SD/ SDHC/ MS/ MS Pro/ xD/ MMC Card Reader  Back Panel Ports: 1 VGA, 1 HDMI, 3 x USB 2.0, 1 RJ45, 1 x 7.1 channel Audio I/O Features SonicMaster audio technology along with MaxxAudio from Waves (recipient of a Technical GRAMMY Award) giving the K30AD finely tuned surround sound, through speakers or headphones.