Toshibas Desktop 3.5" internal hard drive offers you both extra storage space and a comprehensive yet easy-to-use data backup and sync solution. With just a few clicks you can create a digital safety net to help protect files on your computer or other storage devices. The dual connectivity design lets you choose between the USB interface or the faster eSATA interface for your data transfer needs. A built-in on/off switch allows you to power down your drive when not in use to save energy. The slim design and small footprint help save your desktop space both at work and at home.