Seagate
Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400)
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
Ideal for the home, office, or dorm, Seagate Expansion desktop drive offers enormous desktop storage for photos, movies, music, and more. Backing up and transferring content is incredibly easy—just drag and drop! To get set up, connect the USB hard drive to Windows or Mac—no software required. For Apple Time Machine, simply reformat. Included is an 18-inch USB 3.0 cable and 18W power adapter.
SpecPicks Verdict
SpecPicks classifies Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0… as a solid pick with broad community endorsement in the external storage category, based on 1,052 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Seagate's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ Large, well-vetted feedback pool (1,052 reviews)
- ✓ Fast file transfers via usb 30
- ✓ Backed by Seagate's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Fast file transfers via usb 30
- Storing files by drag and drop immediately when plugged in
- Automatic recognition for windows and mac computers makes it easy to set up (reformatting required for time machine)
- Limited warranty and rescue data recovery services (data recovery services) ensure safe use
- Easy to use desktop hard drive - simply plug in the power supply and usb cable.Stkp4000402.Seagate - branded solutions 25i expansion desktop extdrive 4tb 35in usb 30 gen 1 external hdd
Full Specifications
| Brand | Seagate |
|---|---|
| Color | Black |
| Item Width | 4.2 Centimeters |
| Model Name | Seagate Expansion |
| Read Speed | 120 Megabytes Per Second |
| Form Factor | 3.5-inch |
| Item Length | 17.87 Centimeters |
| Media Speed | 120 |
| Connectivity | USB |
| Model Number | STKP4000400 |
| Compatibility | Mac |
| Built-In Media | SEAGATE - BRANDED SOLUTIONS 3.5I EXPANSION DESKTOP EXT.DRIVE 4TB 3.5IN USB 3.0 GEN 1 EXTERNAL HDD |
| Item Type Name | Desktop Hard Drive |
| Hard-Drive Size | 4 TB |
Ready to buy?
Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
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