The Travelstar is a range of Hard Drives manufactured by Hitachi Global Storage Technologies mainly for use with laptop computers. Models are manufactured with capacities ranging from 40GB to 750GB, with rotational speeds ranging from 3600RPM to 7200RPM. They are available in 1.8" or 2.5" form factor, using either the PATA or SATA interface. Earlier models featured as little as 810MB.