The Toshiba MQ01ABF050 is a 500GB 2.5" internal laptop hard drive with a SATA II interface. It has a rotation speed of 5400 RPM and an 8MB cache. This hard drive is compatible with laptops and PCs, and is designed for HDD-only storage format. It is a Toshiba Mobile model with a silver color and a form factor of 2.5 in. The product contains a chemical known to the State of California to cause cancer.