Seagate
Expansion STKP4000400 4 TB Desktop Hard Drive - External - Black - Desktop PC, MAC Device Supported - USB 3.0-1 Year Warranty - Retail
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
Seagate expansion desktop hard drive is the perfect solution for adding extra storage to your computer. It’s easy to set up and instantly gives you more space to store important files, photos, videos and documents. Free up space on your internal drive and keep everything organised in one place. With Seagate’s trusted quality, you can rely on this drive to protect your data and simplify your digital life.
SpecPicks Verdict
SpecPicks classifies Seagate Expansion STKP4000400 4 TB Desktop Hard Drive - External… as a solid pick with broad community endorsement in the external storage category, based on 1,719 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Seagate's positioning sits within the broader category mid-tier. 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
- ✓ Solid 4.3★ customer rating
- ✓ Large, well-vetted feedback pool (1,719 reviews)
- ✓ Form Factor - 3.5 Inches, Hardware Interface - USB 2.0/3.0, Drive RPM - 7200
- ✓ 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
- Digital Storage Capacity - 4TB; Get an extra layer of protection for your data with the included 3 year Rescue Data Recovery Services
- Form Factor - 3.5 Inches, Hardware Interface - USB 2.0/3.0, Drive RPM - 7200
- Easy-to-use desktop hard drive—simply plug in the power adapter and USB cable
- Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)
- Actual storage capacity may vary due to differences between decimal and binary calculations.
Full Specifications
| Connectivity | USB |
|---|---|
| Compatibility | PC, Mac |
Ready to buy?
Seagate Expansion STKP4000400 4 TB Desktop Hard Drive - External - Black - Desktop PC, MAC Device Supported - USB 3.0-1 Year Warranty - Retail 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 2026-05-25. Price and availability subject to change.
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