One Touch: Ultra-Small, Portable External SSD, HDD, & Hub | Seagate US
Amazon.com: Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (STGX4000400) : Electronics
Toshiba adds new 4TB CANVIO Portable Hard Drive models for safe and reliable personal data storage - EMEA Region – Toshiba Storage Solutions
Amazon.com: Seagate One Touch Hub 4TB External Hard Drive Desktop HDD – USB-C and USB 3.0 port, for Computer Desktop Workstation PC Laptop Mac (STLC4000400) : Electronics