Seagate Backup Plus 4TB USB 3.0 Portable External Hard Drive - STDR4000100 (Black) - Newegg.com
Seagate 1TB Expansion Portable 1TB External Hard Drive - 1TBHD | Pace International
Seagate Expansion Portable Drive review: Large drive for a low price - CNET
Amazon.com: Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (STGX4000400) : Electronics
Seagate 4TB USB USB 3.1 (Gen 1 Type-A) 2.5" Portable External Hard Drive - Black - Micro Center
Amazon.com: Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black : Electronics