Seagate
Seagate One Touch, 4TB, Password Activated Hardware encryption, Portable External Hard Drive, Portable External Hard Drive, PC, Notebook & Mac, USB 3.0, Black (STKZ4000400)
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*Price sourced from Amazon.com. Last updated 2026-09-15. Price and availability subject to change.
Bottom line: The Seagate One Touch, 4TB, Password Activated Hardware encryption, Portable External Hard Drive, Portable External Hard Drive, PC, Notebook & Mac, USB 3.0, Black (STKZ4000400) is a specs-and-price decision rather than a crowd-consensus one in the external storage category, priced around $184.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
This external drive includes a USB cable that works seamlessly with Windows, Mac, and Chromebook laptops (purchase adapter separately for use with USB-C computers. Reformatting may be required for use with Time Machine). The perfect complement to personal aesthetic, this portable external hard drive features a minimalist brushed metal enclosure. Great as a laptop hard drive or PC hard drive, simply plug in via USB 3.0 to back up with a single click or schedule automatic daily, weekly, or monthly backups
SpecPicks Verdict
SpecPicks scored Seagate One Touch, 4TB, Password Activated Hardware encryption… 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. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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.
Frequently Asked Questions
Does the Seagate One Touch 4TB work with a Mac?
Yes. The included USB cable works with Windows, Mac, and Chromebook laptops. If you want to use it with Time Machine, you may need to reformat the drive first.
Will it plug into a USB-C laptop?
Not directly. The drive uses USB 3.0 with the included cable, so a USB-C machine needs a separate adapter that is not included in the box.
How does the password protection work?
The One Touch uses password-activated hardware encryption, so the drive itself locks the data behind a passphrase you set rather than relying on software running on the host PC.
Is this drive well reviewed?
It holds a 4.5 out of 5 star average from 9,475 ratings, which is a large enough sample to be a meaningful signal for a portable drive.
What happens if the drive fails and I lose data?
Seagate includes Rescue Data Recovery Services and a limited warranty with this model. Check the product listing for current coverage length and terms in your region.
Pros & Cons
Pros
- ✓ 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
- This external drive includes a USB cable that works seamlessly with Windows, Mac, and Chromebook laptops (purchase adapter separately for use with USB-C computers. Reformatting may be required for use with Time Machine).
- The perfect complement to personal aesthetic, this portable external hard drive features a minimalist brushed metal enclosure.
- Great as a laptop hard drive or PC hard drive, simply plug in via USB 3.0 to back up with a single click or schedule automatic daily, weekly, or monthly backups
- Organize your photos with a Mylio Photos complementary subscription and enjoy automatic backups with a Dropbox Backup Plan free trial. (Must redeem within one year of drive registration. Not available in all countries. Trial subscriptions are subject to change in vendor or terms. Please refer to drive packaging for official offer.)
- Enjoy long-term peace of mind with the included limited warranty and Rescue Data Recovery Services.
Full Specifications
| Size | 4TB |
|---|---|
| Brand | Seagate |
| Color | HDD |
| Model | STKZ4000400 |
| Warranty | 2 year manufacturer |
| UnitCount | 1 |
| ReleaseDate | 2023-07-02T00:00:01Z |
| Manufacturer | Seagate |
| ItemPartNumber | STKZ4000400 |
Ready to buy?
Seagate One Touch, 4TB, Password Activated Hardware encryption, Portable External Hard Drive, Portable External Hard Drive, PC, Notebook & Mac, USB 3.0, Black (STKZ4000400) 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 2026-09-15. Price and availability subject to change.
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