Backup Plus Fast HDD Portable Drive: External USB 3.0 Hard Drive 4TB | Support Seagate US
Seagate ST4000DM000 4TB 64MB SATA 6.0Gb/s 3.5" Hard Drive
Amazon.com: Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk : Electronics
Amazon.com: Seagate Backup Plus Hub 4TB External Hard Drive Desktop HDD – USB 3.0, for Computer Desktop Workstation PC Laptop Mac, 2 USB Ports, 2 Months Adobe CC Photography (STEL4000100), Model:STEL4000100 : Electronics