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Deal.ai › Seagate › Hard Drives
Seagate
Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive

Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive

5(1 rating)

Best price now

$920.00at NeweggChecked Nov 9

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Price facts

  • Last seen at $920.00 at Newegg on Nov 9.

Our take on the Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive

The Seagate BarraCuda 20TB is a 3.5-inch desktop hard drive with a 7200 RPM spindle, 512MB of cache and a SATA 6Gb/s interface. It is a conventional CMR drive built for bulk storage in desktop towers and NAS-style enclosures, not for boot drives or heavy random-write workloads. Against rivals it trades the helium-filled, 7200 RPM enterprise-style design of drives like the IronWolf Pro and WD Red Pro for a simpler desktop-focused build, while matching them on raw capacity. Reviewers treat it as a solid value pick for media libraries and backups, with the usual caveats about noise, heat and the need for a second copy of anything important.

Best forDesktop media and game librariesBulk backup and archive storageSurveillance or NAS boxes with light workloadsBuilders who want maximum capacity per bay
Pros
  • 20TB in a single 3.5-inch bay
  • 7200 RPM spindle and 512MB cache give strong sequential throughput
  • CMR recording, so no shingled-write slowdowns on large transfers
  • Standard SATA 6Gb/s interface fits almost any desktop or enclosure
  • BarraCuda line is widely stocked and well understood by builders
Cons
  • Audible spindle and seek noise in quiet rooms
  • Runs warmer than helium-filled high-capacity drives
  • Not rated for continuous 24/7 multi-drive NAS duty like IronWolf or Red Pro
  • No vibration sensors or rotational vibration compensation for dense arrays
  • Needs a backup plan; a single drive is a single point of failure

Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive prices at every store

  • NeweggNew

    In stock

    $920.00Free shippingChecked Nov 9
    Visit Newegg

Store links may earn us a commission. Price via Klarna.

Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive price history

Lowest price we've seen: $920.00 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.

What reviewers say

Owners and reviewers describe the 20TB BarraCuda as a fast, straightforward capacity drive that delivers near-rated sequential speeds and works out of the box in desktops and enclosures. Most criticism centers on noise, heat and the fact that it is a desktop-class drive rather than a NAS-rated one.

What people mention
  • NoiseCriticisedOwners report audible spindle hum and seek clicking, which stands out in quiet rooms and small cases.
  • SpeedPraisedLarge sequential transfers run close to the rated 7200 RPM figures, helped by the 512MB cache.
  • HeatMixedSome users find it runs warmer than expected and add case airflow; others see normal desktop temperatures.
  • BuildMixedReviewers call it a sturdy conventional drive but note it lacks the vibration control of NAS-rated models.
  • SetupPraisedIt is recognized immediately by Windows, macOS enclosures and Linux with no jumper or driver steps.
  • ReliabilityMixedMany owners report years of service, while others stress that any single drive needs a backup.

Specifications

Form Factor
3.5"Source
Type
HDDSource
Size (GB)
20000Source
Cache Memory (MB)
512Source
RPM

Questions and answers

Is this drive good for a NAS?
It works in a light-use NAS, but Seagate does not rate the BarraCuda for continuous multi-drive operation. For always-on arrays, an IronWolf or WD Red Pro is the safer choice.
Is it CMR or SMR?
The 20TB BarraCuda uses conventional magnetic recording, so large writes do not hit the shingled-write slowdowns seen on some SMR drives.
Will it fit my desktop?
It is a standard 3.5-inch SATA drive, so it fits any case or enclosure with a 3.5-inch bay and a free SATA port and power connector.
Do I need to format it before use?
New drives usually arrive unformatted or in a foreign partition table. Initialize and format it in Disk Management or Disk Utility before storing files.
How does it compare with the IronWolf Pro 20TB?
Both offer 20TB and 7200 RPM, but the IronWolf Pro adds NAS workload ratings, vibration sensors and a longer warranty. The BarraCuda is the simpler desktop-focused option.
Is it fast enough for games?
It loads games fine, but a SATA or NVMe SSD will cut load times noticeably. Use the BarraCuda for the library and an SSD for the operating system.
Where is the Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive cheapest?
At Newegg, for $920.00, as of our latest check.
What do buyers say about the Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive?
Rated 5 out of 5 from 1 ratings.

Stores we've priced the Seagate BarraCuda ST20000DM001 20TB 7200 RPM SATA 6.0Gb/s 3.5' Internal Hard Drive at

  • Newegg deals and prices

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