Toshiba Satellite L305D-S5974 Laptop 15.4" Notebook 2.1GH CPU 3GB RAM 250GB HD Windows 7 Home Premium Genuine Windows 7 Home Premium 32-bit AMD SempronTM Processor for Notebook PCs SI-42 (2.1GHz, 512KB L2 Cache, 3.6GT/s) 15.4" diagonal widescreen TruBrite TFT LCD display at 1280x800 native resolution (WXGA) 3GB DDR2 800MHz (max 4GB), 250GB (5400 RPM); Serial ATA hard disk drive 10/100 Ethernet, Realtek 802.11b/g wireless LAN9