Sony VAIO VGN-Z598U/B 13.1-Inch Laptop (2.53 GHz Intel Core 2 Duo P9500 Processor, 4 GB RAM, 256 GB Solid State Drive, Blu-ray Drive, Vista Ultimate) Black IntelCore 2 Duo P9500 processor (2.53GHz), 6MB L2 cache Genuine MicrosoftWindows VistaUltimate with SP1 13.1-Inch widescreen LCD with XBRITE-DuraView technology & LED backlight Durable and power efficient 256GB Solid State Drive Blu-ray Disc optical drive & 4GB of pre-installed RAM