Seagate 4TB Expansion Portable USB 3.0 External Hard STKM4000400
Seagate Expansion 4TB USB 3.0 3.5" External Hard Drive Black - Newegg.com
Amazon.com: Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (STGX4000400) : Electronics