Sony VAIO VGC-JS155J/S 20.1-Inch All-in-one PC (2.53 GHz Intel Core 2 Duo E7200 Processor, 4 GB RAM, 500 GB Hard Drive, Vista Premium) Silver Intel Core 2 Duo Processor E7200 (2.53GHz) Genuine Microsoft Windows Vista Home Premium 64bit 20.1-Inch widescreen display with XBRITE-HiColor technology 4GB of RAM & 500GB Serial ATA HDD Built-in camera & mic with face tracking technology