Fantom Drives Gforce/3 USB 3.0 hard drives are the newest and fastest external disk drives available. With the latest generation hi-speed USB 3.0 interface, the Fantom Gforce/3 features a maximum bus speed of 5Gb/sec... That"s 10 times faster than with USB 2.0! Fantom Gforce/3USB 3.0 hard drives are also backwards compatible with USB 2.0 connections.