Seagate
Expansion portable 1TB External Hard Drive HDD - 2.5 Inch USB 3.0, for Mac and PC with Rescue Services (STKM1000400)
*Price sourced from Amazon.com. Last updated 2026-05-27. Price and availability subject to change.
Bottom line: The Expansion portable 1TB External Hard Drive HDD - 2.5 Inch USB 3.0, for Mac and PC with Rescue Services (STKM1000400) is a category leader on buyer feedback in the external storage category, priced around $130.05, rated 4.6★ across 19,804 verified Amazon reviews. A confident buy for most shoppers in this category.
Expansion portable drive is an easy-to-use solution for instantly adding storage to Windows or Mac—and taking those files on the go. Take advantage of fast data transfer speeds with USB 3.0 and consolidate files into a single location. Free up space on your computer with a simple drag and drop—file saving is that easy.
SpecPicks Verdict
SpecPicks classifies Seagate Expansion portable 1TB External Hard Drive HDD - 2.5 Inch… as a category leader on buyer feedback in the external storage category, based on 19,804 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 — 4.6★ average across customer reviews
- ✓ Large, well-vetted feedback pool (19,804 reviews)
- ✓ Drag-and-drop file saving
- ✓ 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
- Sleek and simple portable drive design for taking photos, movies, music, and more on-the-go
- Drag-and-drop file saving
- USB 3.0 powered
- Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)
- Enjoy peace of mind with the included limited warranty and Rescue Data Recovery Services
Full Specifications
| UPC | 763649160336 |
|---|---|
| ASIN | B08ZJDWTJ1 |
| Brand | Seagate |
| Color | Black |
| Colour | Black |
| Language | English, English, English |
| Batteries | 1 Lithium Ion batteries required. |
| Item Width | 81.1 Millimeters |
| Model Name | STKM1000400 |
| Read Speed | 120 Megabytes Per Second |
| Unit Count | 1 Count |
| Form Factor | 2.5-inch |
| Item Length | 122.3 Millimeters |
| Item Weight | 0.4 Pounds |
Ready to buy?
Seagate Expansion portable 1TB External Hard Drive HDD - 2.5 Inch USB 3.0, for Mac and PC with Rescue Services (STKM1000400) 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 2026-05-27. Price and availability subject to change.
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