Amazon Renewed

Seagate (Recertified IronWolf Pro 20TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST20000NT001)

Name: Seagate (Recertified IronWolf Pro 20TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network
Brand: Amazon Renewed
SKU: B0CCPPQG1W

Status: Seagate (20TB hard drive): Unavailable on Amazon as of 2026-10-06 10:28 UTC. Closest in-stock match (same 20TB hard drive): Water Panther WP Arsenal 20TB SATA 7200RPM…, $649.00 on Amazon as of 2026-10-07 04:32 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $649.00 🛒 Search eBay for this model

Bottom line: The Seagate (Recertified IronWolf Pro 20TB Enterprise NAS Internal HDD: 20TB CMR capacity built for multi-bay NAS and RAID arrays; main trade-off: short six-month replacement warranty, not Seagate's 5-year new term.

Unavailable on Amazon as of 2026-10-06 10:28 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 20TB hard drive: Water Panther WP Arsenal 20TB SATA 7200RPM… — $649.00 on Amazon as of 2026-10-07 04:32 UTC (price may vary).

View Current Price — $649.00

Same 20TB hard drive: Glyph BlackBox Pro External Hard Drive 7200 RPM — $1199.99 on Amazon as of 2026-10-07 04:18 UTC (price may vary).

View Current Price — $1199.99

Same 20TB hard drive: BENFEI 3.5/2.5 Inch SATA HDD/SSD Enclosure — $17.99 on Amazon as of 2026-10-07 16:13 UTC (price may vary).

View Current Price — $17.99

Original listing (currently unavailable) → Compare to similar external storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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. About the author →

Pros & Cons

Pros

✓ 20TB CMR capacity built for multi-bay NAS and RAID arrays
✓ 7200 RPM with 256MB cache over SATA 6Gb/s
✓ Rated for constant 24x7 enterprise workloads
✓ IronWolf Health Management plus rotational vibration sensors

Cons

✗ Short six-month replacement warranty, not Seagate's 5-year new term
✗ Factory recertified, so prior power-on hours are unknown
✗ 7200 RPM runs hotter and louder than 5400 RPM NAS drives
✗ 3.5-inch SATA only; needs trays for hot-swap or slim bays

Manufacturer description

IronWolf Pro recertified drives are engineered to deliver 24×7 performance, reliability, and dependability in multi-bay, multi-user commercial and enterprise RAID storage solutions. These drives are data sanitized, tested, and include all firmware and parts, like all Seagate factory recertified devices.

SpecPicks Verdict

SpecPicks scored Seagate (Recertified IronWolf Pro 20TB Enterprise NAS Internal HDD… using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Amazon Renewed'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.

Key Features

Factory recertified Seagate hard drives come with a six-month replacement warranty
These drives are data sanitized, tested, and include all firmware and parts, like all Seagate factory recertified devices
The all-CMR portfolio provides constant, industry-leading 24x7 performance
IronWolf Health Management supports peak system health
Dual-plane balancing, time-limited error recovery, and rotational vibration sensors

Full Specifications

Brand	Seagate
Color	Black
Model Name	ST20000NT001
Read Speed	6 gigabytes_per_second
Unit Count	1 Count
Form Factor	3.5-inch
Model Number	ST20000NT001-cr
Built-In Media	Hard Drive
Hard-Drive Size	20 TB
Mfr Part Number	ST20000NT001-cr
Number of Items	1
Special Feature	Dust Resistant
Vibration/Rumble	Yes
Installation Type	Internal Hard Drive
Compatible Devices	Laptop
Data Transfer Rate	7200 megabits_per_second
Enclosure Material	Aluminum
Additional Features	Dust Resistant
Hard Disk Interface	Serial ATA-600
Warranty Description	No Warranty

Ready to buy?

Amazon shows no buyable offer for Seagate at the last check. The closest in-stock match with the same 20TB hard drive is Water Panther WP Arsenal 20TB SATA 7200RPM…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $649.00