Sony Vaio Z Z790 Notebook comes with Windows 7 Ultimate 64 Bit and has a 640GB 5400rpm 66MB/s Seagate Momentus 7200.4 hard drive. The Sony Vaio Z Z790 Notebook is equipped with a 2.80GHz P9700 processor with 4GB 1066MHz DDR3 RAM and 13.1″ LED backlit display (1600×900 ultra-high resolution) with Hybrid Graphics System with 256MB [...]