Ultra fast transfer speeds: Armor A80's outstanding read/write speed is coupled with the latest USB 3.0 interface and is backwards compatible with USB 2.0. The USB 3.0 interface features a 5 Gbps/sec bandwidth which is 10x the bandwidth of a USB 2.0 interface. It saves users precious time backing up to and from the hard drive when transferring mass data files. Water, pressure, vibration and dust proof: In compliance with IEC529 IPX7 waterproof test for one meter under water for 30 minutes, Armor A80 is still fully operation. It features dust, pressure-proof and ready for any unexpected situations such as rain, liquid-spillage or accidental drops.