The version of the Orb is an external drive with a USB interface, so you can use it with any PC or Mac with a USB connection. USB drives are the easiest drives to install. USB supports Plug-and-Play installation, which means your computer recognizes the drives as soon as you plug it in, and hot-swapping, which means you do not have to turn off your computer to connect or disconnect the drive.??The Orb 2.2GB External USB Drive combines powerful storage with total portability! The Orb also delivers and estimated mean-time-between-failure (MTBF) rating that's approximately 50% better than other comparable drives! And because it's a true hard drive, the Orb can outperform many other removable media drives available today! This is the only USB High-Capacity removable drive solution available.