Toshiba Satellite A305D-S6856 15.4-inch Laptop (2.0 GHz AMD Turion X2 RM-70 Processor, 4 GB RAM, 320 GB Hard Drive, DVD Drive, Vista Premium) Black 15.4 inch (Diagonal) Widescreen TFT LCD Display at 1280 x 800 Native Resolution 2.0 GHz AMD Turion X2 Dual-Core Mobile Processor RM-70 with 1MB L2 Cache 4096 MB PC6400 DDR2 SDRAM, 320 GB (5400 RPM); Hard Drive (SATA), ATI Radeon 3100 Graphics with 256 MB-1406 MB Dynamically DVD SuperMulti +/-R Double Layer with Labelflash Drive, Atheros 802.11b/g/n Wireless LAN Windows Vista Home Premium, dims in inches: 10.6 (W) x 14.3 (L) x 1.32 (H) approx., starting at 6.0 lbs.