UNTESTED product is a Toshiba MK3021GAS HDD2181B 30GB 2.5" IDE internal laptop HDD with a rotation speed of 4200 RPM and a cache of 2MB. It is compatible with laptops and features a shock-resistant design. The drive is in black and silver color and has a storage capacity of 30GB. The interface is IDE, and the product is part of Toshiba's Mobile product line. The drive is untested but is ideal for those looking to upgrade their laptop's storage capacity