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Seagate Backup Plus 4TB Desktop External Hard Drive USB 3.0 (STDT4000100)
Seagate

Seagate Backup Plus 4TB Desktop External Hard Drive USB 3.0 (STDT4000100)

Bottom line: The Seagate Backup Plus 4TB Desktop External Hard Drive USB 3.0 ($281.59 on Amazon as of 2026-10-21 14:16 UTC): 4TB in one desktop volume - room for full photo, video, and game archives; main trade-off: desktop form factor, not a bus-powered portable drive.

$281.59

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 4TB in one desktop volume - room for full photo, video, and game archives
  • ✓ USB 3.0 with USB 2.0 fallback, so older PCs still connect
  • ✓ Cross-platform: add the NTFS driver and it runs on Mac and Windows unformatted
  • ✓ Seagate Dashboard does one-click backup or scheduled automatic backup plans

Cons

  • ✗ Desktop form factor, not a bus-powered portable drive
  • ✗ Mac use requires installing the NTFS driver first, not truly plug-and-play
  • ✗ USB 3.0 only - no USB-C, Thunderbolt, or eSATA connection
  • ✗ Usable capacity comes in under the advertised 4TB

Manufacturer description

The Seagate Backup Plus 4TB Desktop External Hard Drive is a plug-and-play USB 3.0 archive drive built for people who want one place to park everything. Connect it to a PC and it works immediately over USB 3.0 or falls back to USB 2.0 on older ports, so you are not hunting for adapters. Install the NTFS driver for Mac and the same 4TB volume moves between Windows and Mac machines without reformatting, which matters if you shuttle projects across a mixed household or studio. The bundled Seagate Dashboard software handles the part most people skip: run a one-click backup of your existing…

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SpecPicks Verdict

SpecPicks scored Seagate Backup Plus 4TB Desktop External Hard Drive USB 3.0 using a rating × review-volume × price-fit model applied to published specs and reviews 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Does this Seagate Backup Plus 4TB work with a Mac?

Yes. Install the NTFS driver for Mac that Seagate provides and the drive works interchangeably between Windows and Mac computers without reformatting.

Do I need to plug it into a power outlet?

This is a Backup Plus Desktop drive rather than a portable model, so plan for it to sit at your desk with its own power connection alongside the USB cable.

Will it work on an older PC with only USB 2.0?

Yes. It offers high-speed USB 3.0 and USB 2.0 connectivity with plug-and-play functionality on your PC, though transfers run at USB 2.0 speeds on older ports.

Can I set up automatic backups, or do I have to copy files manually?

The included Seagate Dashboard software runs a one-click backup or lets you schedule an automatic backup plan so files copy to the drive on your schedule.

Do I really get the full 4TB of space?

Seagate notes that the available storage capacity may vary, so expect somewhat less than 4TB usable after formatting and system overhead.

Key Features

  • High speed USB 3.0 and 2.0 connectivity offers plug and play functionality on your PC
  • Install the NTFS driver for Mac, and you can use the drive interchangeably between Windows and Mac computers without reformatting
  • Run a one click backup or schedule an automatic backup plan to protect your files in your Backup Plus desktop drive at your convenience with Seagate Dashboard software
  • Works interchangeably on PC and Mac computers without needing to reformat
  • The available storage capacity may vary.

Full Specifications

BrandSeagate
ColorBlack
Model NameBackup Plus Desktop
Unit Count1 Count
Form Factor3.5-inch
Media Speed120 MB/s
ConnectivityUSB
Model NumberSTDT4000100
CompatibilityPC, Mac
Built-In MediaBackup Plus Desktop Drive 4TB USB3.0
Hard-Drive Size4 TB
Mfr Part NumberSTDT4000100
Number of Items1
Special FeatureIncludes external power adapter
Hardware PlatformPC;Mac
Installation TypeExternal Hard Drive
Compatible DevicesDesktop
Data Transfer Rate5000 megabits_per_second
Additional FeaturesIncludes external power adapter
Hard Disk InterfaceUSB 3.0

Ready to buy?

Seagate Backup Plus 4TB Desktop External Hard Drive USB 3.0 (STDT4000100) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $281.59

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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Seagate Backup Plus 4TB Desktop External Hard Drive USB 3.0 (STDT4000100)
$281.59
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