The 500GB Armor A80 Portable Hard Drive from Silicon-Power is a portable, bus-powered USB 3.0 hard drive. The drive provides a simplified, streamlined plug-and-play experience. It utilizes a SuperSpeed USB 3.0 interface, which supports bus transfer rates of up to 5Gbps - about 10 times that of USB 2.0. You can expect to get about 138MB/sec sustained data throughput via USB 3.0.
The drive offers backwards compatibility with USB 2.0 ports, a convenient hideaway cable, and a waterproof, anti-shock, and anti-dust design. It offers full USB 3.0 compatibility when used with Windows and Linux systems. It can be used as a USB 2.0 drive in Mac OS X.