Seagate Backup Plus STBW1000401 1 TB 2.5" External Hard Drive - Thunderbolt - Black. Thunderbolt technology is up to twice as fast as USB 3.0 and up to 12x faster than FireWire 800. With our Portable Thunderbolt Kit, you get everything you need to satisfy your need for speed with data transfer speeds up to 10GB per second. Compatible with Time Machine software. Compatible with Thunderbolt devices. No external power supply required. With a Seagate Portable Thunderbolt Kit, file transfers that once took minutes can take mere seconds. It’s the perfect solution for video editing and other situations where large files are the norm. Buy this Hard Drive and you can Get Free Shipping on a Seagate Backup Plus STBW1000401 1 TB 2.5" External Hard Drive - Thunderbolt (Black) for $184.99 at Rakuten.com, an $81 Savings!