Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM -

Name: Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM -
Brand: Unbranded
SKU: B0CNXBP93M

Status: Seagate IronWolf Pro SATA III 3.5" Internal NAS…: Unavailable on Amazon as of 2026-10-21 04:20 UTC. Closest in-stock match (same hard drive): Seagate IronWolf Pro 4TB NAS Internal Hard Drive…, $276.00 on Amazon as of 2026-10-21 12:20 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $276.00 🛒 Search eBay for this model

Bottom line: The Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive is a specs-and-price decision rather than a crowd-consensus one in the external storage category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-21 04:20 UTC

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

Same hard drive: Seagate IronWolf Pro 4TB NAS Internal Hard Drive… — $276.00 on Amazon as of 2026-10-21 12:20 UTC (price may vary).

View Current Price — $276.00

Same hard drive: Seagate IronWolf ST8000VN0022 8TB NAS Hard Drive… — $319.99 on Amazon as of 2026-10-20 22:27 UTC (price may vary).

View Current Price — $319.99

Same hard drive: Seagate IronWolf Pro 12TB NAS Internal Hard… — $644.45 on Amazon as of 2026-10-21 10:15 UTC (price may vary).

View Current Price — $644.45

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

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 →

Before you buy

Check the listed dimensions, connectors and platform compatibility against your setup before ordering
Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

If you're seeking a robust and reliable solution for your commercial and enterprise RAID storage needs, consider the IronWolf Pro 20TB SATA III 3.5" Internal NAS Hard Drive. This 2-pack set is specifically engineered for 24x7 performance, offering consistent accessibility and an all-CMR portfolio designed for multi-bay, multi-user environments. The IronWolf Pro is not just a hard drive; it's a comprehensive data management solution. It's tailored for commercial and enterprise NAS, providing a tough, ready, and scalable performance in multi-bay and multi-user settings. Whether you're running…

SpecPicks Verdict

SpecPicks scored Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Compare with similarly-priced alternatives in the external storage category before committing. 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

2x Seagate IronWolf Pro 20TB SATA III 3.5" Internal NAS Hard Drive - Seagate 5 Year Limited Warranty (3 Year Data Recovery Service with Registration)
Optimized for NAS with AgileArray enables Dual-Plane Balancing and Time Limited Error Recovery to deliver best-in-class RAID performance in multi-bay systems
Always On, Always Accessible: IronWolf Pro drives are designed for 24x7 usage, allowing users to access their data any time, anywhere
All-CMR Portfolio: All IronWolf Pro drives utilize conventional magnetic recording (CMR) technology for consistent, best-in-class NAS performance
20TB: Broad range of capacity options to deliver scalable and cost-efficient storage solutions
Class-Leading Reliability and Dependability: IronWolf Pro drives are rated for 2.5M hours MTBF

Full Specifications

20TB	Broad range of capacity options to deliver scalable and cost-efficient storage solutions
Brand	Seagate
Color	Not Available
Model Name	IronWolf Pro
Read Speed	285 megabytes_per_second
Unit Count	2 Count
Form Factor	3.5-inch
Model Number	IronWolf Pro
Built-In Media	Seagate SEAGATE IRONWOLF PRO 20TB 2PK
Hard-Drive Size	20 TB
Mfr Part Number	ST20000NT001 2X
Number of Items	1
Special Feature	Optimized for NAS with AgileArray enables Dual-Plane Balancing and Time Limited Error Recovery to deliver best-in-class RAID performance in multi-bay systems
Vibration/Rumble	Yes
All-CMR Portfolio	All IronWolf Pro drives utilize conventional magnetic recording (CMR) technology for consistent, best-in-class NAS performance
Installation Type	Internal Hard Drive
Compatible Devices	Computers
Data Transfer Rate	285 megabytes_per_second
Additional Features	Optimized for NAS with AgileArray enables Dual-Plane Balancing and Time Limited Error Recovery to deliver best-in-class RAID performance in multi-bay systems
Hard Disk Interface	Serial ATA

Ready to buy?

Amazon shows no buyable offer for Seagate IronWolf Pro SATA III 3.5" Internal NAS… at the last check. The closest in-stock match with the same hard drive is Seagate IronWolf Pro 4TB NAS Internal Hard Drive…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $276.00