UNTESTED The Hitachi Travelstar HTS548020M9AT00 20GB 2.5" IDE HDD is a silver internal laptop drive with a storage capacity of 20GB. It features a rotation speed of 5400 RPM and a cache size of 2MB. This HDD is compatible with laptops and is designed for use in a 2.5-inch form factor. With an interface of ATA/IDE, this Hitachi Travelstar drive is part of the Travelstar product line, known for its reliability and performance in a compact and lightweight design.