Seagate Expansion Portable 4TB
Simple, portable 4TB backup storage that just works over USB.
Observed price range$99 – $121
Launch date2018-01-01
Full Specification Sheet
| Type | External portable HDD |
|---|---|
| Capacity | 4 TB |
| Interface | USB 3.0 |
| Form Factor | 2.5-inch |
The Seagate Expansion Portable 4TB is an external 2.5-inch USB 3.0 hard drive built for one job: adding large-capacity backup or overflow storage without any setup beyond plugging it in.
USB 3.0 connectivity keeps transfer speeds well ahead of the previous USB 2.0 generation, while the compact 2.5-inch form factor means no external power adapter is needed — it draws power directly from the USB port.
For straightforward backup, game library overflow, or moving large files between systems, the Expansion Portable 4TB remains a simple, dependable choice.
