USB 3.0 hard drive works alone or with G-DOCK ev. To put greater speed and flexibility into your creative workflow, get G-DRIVE ev 220 – a USB 3.0 hard drive with transfer rates up to 220MB/s. Use it alone or with an Evolution Series G-DOCK ev for the latest evolution in flexibility and expandability today's creative professionals demand. Pros have told us they need faster, more flexible ways to transfer, share and distribute their work – and from the field to the studio, G-Technology's innovative Evolution Series streamlines digital content workflow as never before. Shoot on-site, transfer to studio and distribute to your partners, all with one system.