Toshiba Satellite C655D-S5508 Laptop Computer with 15.6" HD Display, 4GB RAM, 320GB Drive, Double-layer DVD&plusmn;RW, AMD Dual-Core E-300 Processor, 6-cell Battery, Windows 7 Home Premium, Black High-definition widescreen LED-backlit TFT-LCD with TruBrite technology (1366x768) 320GB HD, double-layer DVDRW/CD-RW, media card reader AMD E-300 processor, 4GB DDR3 memory, number keypad on keyboard Wifi 802.11b/g/n, 10/100 Ethernet, Webcam, 2 USB ports, 6-cell Li-ion battery Portable 5.5 lbs, Genuine Windows 7 Home Premium 64-bit