Seagate Expansion STKP12000400 12 TB Portable Hard Drive - External - Black
Seagate

Expansion STKP12000400 12 TB Portable Hard Drive - External - Black

$365.98 ★★★★☆4.3(1,720 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.

Seagate Expansion desktop drive, add-on storage for your PC and Mac The Seagate® Expansion desktop drive provides extra storage for yourever-growing collection of files. Instantly add space for more files,consolidate all of your files to a single location, or free up space on yourcomputer's internal drive to help improve performance.Setup is straightforward; simply plug in the included power supply andUSB cable, and you are ready to go. It is automatically recognized by theWindows® or Mac operating system, so there is no software to install andnothing to configure. Saving files is easy…

SpecPicks Verdict

SpecPicks classifies Seagate Expansion STKP12000400 12 TB Portable Hard Drive - External… as a solid pick with broad community endorsement in the external storage category, based on 1,720 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 (1,720 reviews)
  • ✓ Provides fast and dependable access to data and has non-volatile memory
  • ✓ 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

  • Provides fast and dependable access to data and has non-volatile memory
  • Provides additional and convenient backup of your files and data
  • With 12 TB capacity you have ample space for storing millions of images, hundreds of hours of video or for music lovers, up to a million songs
  • For super-fast data transfer, the drive takes advantage of USB 3.0 connectivity
  • Hard Drive has a non-volatile memory which is beneficial for your PC storage needs

Full Specifications

ColorBlack
ConnectivityUSB
CompatibilityPC

Ready to buy?

Seagate Expansion STKP12000400 12 TB Portable Hard Drive - External - Black 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.

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Seagate Expansion STKP12000400 12 TB Portable Hard Drive - External - Black
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4.3★ (1,720)
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