A feature on Seagate Backup Plus Fast (4TB)

Seagate Backup Plus Fast vs. Western Digital My Passport Pro - Battle of the 4TB Giants

Whether by chance or calculated planning, both Seagate and Western Digital recently released 4TB portable external hard disk drives. While Western Digital’s drive offers Thunderbolt connectivity, Seagate is adamant that USB 3.0 will suffice. We pit the two against each other to find out which is better.