Toshiba Satellite U505-S2970 13.3 inch Laptop (Luxe Brown) Intel&reg; Core&trade;2 Duo processor P7450; 4GB DDR2 memory; 500 GB Hard Drive; 6-cell lithium-ion; DL DVD&plusmn;RW/CD-RW drive; 13.3" widescreen; built-in webcam; Windows 7 Home Premium 64-bit Intel Core2 Duo mobile processor P7450 4GB DDR2 memory; 500GB Serial ATA hard drive (5400 rpm) Multiformat DVDRW/CD-RW drive with double-layer support; Multiformat media reader 13.3" TFT-LCD widescreen display;Built-in webcam with microphone; HDMI output Microsoft Windows 7 Home Premium Edition 64-bit operating system preinstalled