Toshiba Satellite A305-S6864 15.4-inch Laptop (2.26 GHz Intel Core 2 Duo P8400 Processor, 4 GB RAM, 320 GB Hard Drive, DVD Drive, Vista Premium) 15.4-inch (diagonal) WXGA TruBright TFT Widescreen LCD Display, 1280 x 800 resolution 2.26 GHz Intel Core 2 Duo Processor P8400 with 3MB L2 Cache 4096MB PC6400 DDR2 SDRAM memory, 320GB (5400RPM) Hard Drive (SATA), ATI Mobility Radeon HD 3470 with 256MB DDR DVD SuperMulti with Labelflash drive supporting 11 formats, Atheros 802.11b/g wireless LAN Windows Vista Home Premium, dims in inches: 14.3 x 10.5 x 1.36/ 1.52, Starting at 6.0 lbs.