Go to Amazon.com : http://www.amazon.com/gp/product/B008DWIPPO?tag=theatrecat-20
Sony IT VAIO Docking Station Port Replicator for VAIO S15 Series with AC Adapter and 500GB
VAIO port replicator - USB 20 ports 3
500GB hard drive storage built-in with backup capability
HDMI and VGA external outputs
Dual LAN ports for greater connectivity
Additional AC adaptor included
