Boasting accelerated operational speeds of up to 540MB/s, the BarraCuda Fast SSD from Seagate delivers fast, lag-free install and booting of games, video streaming, and file transfers. Real Fast. Streamlined for portability, the drive is bus-powered, so it needs no other power source and with up to 2TB of portable capacity you can store 50+ titles and take them anywhere. Works with Mac & Windows out of the box. Choose from 500GB, 1TB, & 2TB capacity.