Transcend 640GB StoreJet 25M3 External Hard Drive (Green)

The 640GB StoreJet 25M3 External Hard Drive (Green) from Transcend is a durable portable hard drive boasting USB 3.0 connectivity. USB 3.0 allows data transfers as fast as 5Gbps, more than five times faster than USB 2.0. The drive is fully compatible with the USB 2.0 standard as well, ensuring connectivity with older devices.