Seagate

Seagate Expansion Portable 1TB External Hard Drive HDD – USB 3.0 for PC Laptop (STEA1000400)

Name: Seagate Expansion Portable 1TB External Hard Drive HDD – USB 3.0 for PC Laptop (STEA1000400)
Brand: Seagate
SKU: B00TKFEEAS
Price: 129.61 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$129.61

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View Current Price on Amazon → Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-08-17. Price and availability subject to change.

Bottom line: The Seagate Expansion Portable 1TB External Hard Drive HDD – USB 3.0 for PC Laptop (STEA1000400) is a niche pick — read recent reviews before buying in the external storage category, priced around $129.61. Compare close alternatives before committing.

The Seagate Expansion Portable 1TB gives you a straightforward way to carry a full terabyte of files between Windows machines without wrestling with setup software. Plug it into a USB 3.0 port with the included 18-inch cable and Windows recognizes the drive automatically, so backing up a photo library or offloading a game install is a drag-and-drop job rather than a configuration project. The portable form factor draws power over the same USB cable, which means no wall adapter to pack alongside it. What stands out in this Seagate external hard drive is how little it asks of you. There is no…

SpecPicks Verdict

SpecPicks scored Seagate Expansion Portable 1TB External Hard Drive HDD – USB 3.0 for… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the external storage category. Seagate's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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

✓ This external hard drive for Windows computers makes backup a snap—just drag-and-drop!
✓ 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

Easily store and access 1TB of content on the go with Seagate Expansion Portable hard drive
This external hard drive for Windows computers makes backup a snap—just drag-and-drop!
To get set up, connect the portable hard drive to your Windows computer for automatic recognition—no software required
This USB drive provides plug-and-play simplicity with the included 18-inch USB 3.0 cable
Enjoy long-term peace of mind with the included one-year limited warranty
The available storage capacity may vary.

Full Specifications

Brand	Seagate
Color	Black
Model Name	Expansion
Unit Count	1 Count
Form Factor	Portable
Media Speed	≤ 5 Gb/s
Connectivity	USB
Model Number	STEA1000400
Compatibility	PC
Built-In Media	Seagate ExpansionPortable Drive 1TB USB3.0
Hard-Drive Size	1 TB
Mfr Part Number	STEA1000400
Number of Items	1
Special Feature	Portable
Hardware Platform	PC, Mac
Installation Type	External Hard Drive
Compatible Devices	Laptop
Additional Features	Portable
Hard Disk Interface	USB 3.0
Warranty Description	2 years

Ready to buy?

Seagate Expansion Portable 1TB External Hard Drive HDD – USB 3.0 for PC Laptop (STEA1000400) 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.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-17. Price and availability subject to change.