The Vaio Z-Series offers executives and professionals the ultimate in uncompromised mobility. The design was evolved directly from user experience, ensuring rigorous practicality behind the matchless visual appeal. Sony's engineering and craftsmanship deliver superlative functionality from a remarkably portable platform based on a uniquely compact 12 layer motherboard. The provision of Vaio ``everywair'' WWAN technology means that ultra-fast mobile broadband speeds of up to 7.2Mbps are possible using HSDPA mobile data networks. So on the move, there really is no compromise.