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Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004
Seagate

Seagate BarraCuda 4TB Internal Hard Drive HDD

Bottom line: The Seagate BarraCuda 4TB Internal Hard Drive HDD ($199.99 on Amazon as of 2026-10-07): 4TB of desktop storage for game libraries, 4K footage, and RAW photo archives; main trade-off: 5400 RPM spindle, so it is slower than 7200 RPM drives for random access.

$199.99

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Buy on Amazon — $199.99 Compare to similar ssds & storage

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

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, 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 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 4TB of desktop storage for game libraries, 4K footage, and RAW photo archives
  • ✓ 256MB cache and 190 MB/s max sustained transfer keep large file copies moving
  • ✓ Standard 3.5-inch SATA 6 Gb/s form factor drops into nearly any desktop tower
  • ✓ Free Seagate DiscWizard clones your old drive, no reinstall needed

Cons

  • ✗ 5400 RPM spindle, so it is slower than 7200 RPM drives for random access
  • ✗ Mechanical drive - far slower than an SSD for OS boot or active game loads
  • ✗ 3.5-inch only; will not fit laptops or most small-form-factor cases
  • ✗ Internal SATA drive needs an open bay plus power and data cables

Manufacturer description

Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors The go to SATA hard drive solution for nearly every PC application from music to video to photo editing to PC gaming

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SpecPicks Verdict

SpecPicks scored Seagate BarraCuda 4TB Internal Hard Drive HDD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Seagate's ssds & 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 ssds & 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

Is this fast enough to run games from, or should I keep games on my SSD?

Seagate rates it at up to 190 MB/s sustained, which is fine for storing and launching installed games, but a SATA or NVMe SSD will load levels noticeably faster. Most builders keep active titles on the SSD and park the rest of the library on the 4TB BarraCuda.

Will this fit in my laptop?

No. This is a 3.5-inch desktop drive. Laptops take 2.5-inch drives, so you would need an external 3.5-inch enclosure to use it with a notebook.

How do I move my existing files over to it?

Seagate includes a free tool called DiscWizard that migrates and clones data from an older drive, so you can move a full Windows install or a data partition without reinstalling from scratch.

Is 5400 RPM a problem compared to a 7200 RPM drive?

For bulk storage, backups, and media it is not. The 5400 RPM spindle runs cooler and quieter, and the 256MB cache absorbs bursts. If you need the lowest possible random-access latency, look at a 7200 RPM drive or an SSD instead.

Key Features

  • Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives
  • Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors
  • The go to SATA hard drive solution for nearly every PC application from music to video to photo editing to PC gaming
  • Confidently rely on internal hard drive technology backed by 20 years of innovation; Max sustained transfer rate OD(MB/s): 190 MB/s
  • Migrate and clone data from old drives with ease using our free Seagate DiscWizard software tool

Full Specifications

Size4TB
BrandSeagate
ColorPC
ModelST4000DMZ04
Warranty2 Years
UnitCount1
ReleaseDate2018-09-10T00:00:01Z
ManufacturerSeagate Bare Drives
IsAdultProductfalse
ItemPartNumberST4000DMZ04
Full listing titleSeagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004

Ready to buy?

Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 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 — $199.99

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004
$199.99
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