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Seagate

Seagate Expansion 3TB Desktop External Hard Drive USB 3.0 (STEB3000100)

Name: Seagate Expansion 3TB Desktop External Hard Drive USB 3.0 (STEB3000100)
Brand: Seagate
SKU: B01HAPGEIE
Price: 189.97 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 →

$189.97

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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 3TB Desktop External Hard Drive USB 3.0 (STEB3000100) is a niche pick — read recent reviews before buying in the external storage category, priced around $189.97. Compare close alternatives before committing.

The Seagate Expansion 3TB Desktop External Hard Drive is a plug-and-play storage upgrade for anyone whose photo library, game installs, or project archives have outgrown an internal drive. Seagate builds this Expansion desktop model around a USB 3.0/2.0 interface, so file transfers move at SuperSpeed rates on a USB 3.0 port and stay backward compatible with older USB 2.0 machines. Setup is genuinely minimal: connect the included power adapter and USB cable, and Windows recognizes the drive automatically with no software to install or configure. From there, saving is drag-and-drop straight…

SpecPicks Verdict

SpecPicks scored Seagate Expansion 3TB Desktop External Hard Drive USB 3.0… 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

✓ System requirements: Windows 8, Windows 7 operating system
✓ 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

Easy-to-use desktop hard drive—simply plug in the power adapter and USB cable; Fast file transfers with USB 3.0/2.0
System requirements: Windows 8, Windows 7 operating system
Drag-and-drop file saving for Windows, right out of the box
For Mac compatibility This hard drive requires reformatting. Reformatting the Drive will erase all content unless it is backed up to another drive. Refer to application guide for guidance on this.
The available storage capacity may vary.

Full Specifications

Brand	Seagate
Color	Black
Model Name	SEAGATE (RETAIL)
Unit Count	1 Count
Form Factor	desktop
Media Speed	160
Connectivity	USB
Model Number	STEB3000100
Compatibility	Mac
Built-In Media	Seagate® Expansion Desktop Drive 3TB USB3.0
Hard-Drive Size	3 TB
Mfr Part Number	STEB3000100
Number of Items	1
Special Feature	Includes external power adapter
Hardware Platform	Mac
Installation Type	External Hard Drive
Compatible Devices	PC
Data Transfer Rate	5000 megabits_per_second
Enclosure Material	Plastic
Additional Features	Includes external power adapter

Ready to buy?

Seagate Expansion 3TB Desktop External Hard Drive USB 3.0 (STEB3000100) 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.

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