Aluratek's Hurricane plus 3.5" USB 2.0 External SATA Hard Drive provides the easiest way to expand your computer's storage space. Lock and unlock the drive by RFID (radio frequency identification) key recognition. The compact and lightweight design makes AHDURS350F perfect for your home or office. With the RFID drive, you will be able to increase your storage space up to 750GB with a simple USB connection. With Hi-Speed USB 2.0 at transfer rate of up to 480Mbps, you will able to transfer or backup your mp3's, digital photos, digital videos, multimedia and personal data files in no time.