Sony VAIO VGN-AR850E 17-inch Laptop (2.4 GHz Intel Core 2 Duo T8300 Processor, 4 GB RAM, 400 GB Hard Drive, Vista Premium) Black Intel Core 2 Duo T8300 (2.4GHz) & 4GB RAM Genuine Microsoft Windows Vista Home Premium OS 17 widescreen display with XBRITE-ECO technology NVIDIA GeForce 8400GM graphics card & 256MB vRAM 400GB HDD & Blu-ray optical drive