Seagate
IronWolf Pro, 20TB NAS Internal HDD –CMR 3.5 Inch SATA 6 Gb/s, 7,200 RPM, 256MB Cache for RAID Network Attached Storage, Rescue Services (ST20000NEZ00/000)
*Price sourced from Amazon.com. Last updated 2026-05-27. Price and availability subject to change.
Bottom line: The IronWolf Pro, 20TB NAS Internal HDD –CMR 3.5 Inch SATA 6 Gb/s, 7,200 RPM, 256MB Cache for RAID Network Attached Storage, Rescue Services (ST20000NEZ00/000) is a solid pick with broad community endorsement in the nas & home servers category, priced around $189.99, rated 4.5★ across 2,736 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
Harness the power of IronWolf Pro 20TB HDDs, optimized for NAS, offering swift performance, high workload, and unsurpassed capacity to support your SMB. Built tough and always ready—with conventional magnetic recording technology (CMR) to store and protect crucial data and AgileArray firmware for exceptional RAID reliability and NAS compatibility—peace of mind is yours even during the heaviest workloads with 24x7 accessibility to store and protect crucial data, and a five-year limited warranty that includes three years of Rescue Data Recovery Services.
SpecPicks Verdict
SpecPicks classifies Seagate IronWolf Pro, 20TB NAS Internal HDD –CMR 3.5 Inch SATA 6… as a solid pick with broad community endorsement in the nas & home servers category, based on 2,736 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Seagate's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for nas & home servers 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ Large, well-vetted feedback pool (2,736 reviews)
- ✓ Highest Performance: Easily tackle heavy workloads in multi-user NAS environments
- ✓ Backed by Seagate's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- AgileArray: CMR HDD with AgileArray—NAS-optimized firmware providing exceptional RAID reliability and NAS compatibility during the heaviest of workloads.date transfer rate:5000.0 megabytes_per_second.Average Operating Power (W) : 7.7W, Operating Temperature (ambient, min °C) : 0, Operating Temperature (drive reported, max °C) : 65.
- RV Mitigation: Enjoy consistent performance with built-in rotational vibration sensors providing reliable storage for NAS with little lag or down time
- Highest Performance: Easily tackle heavy workloads in multi-user NAS environments
- 300TB/Year User Workload Rate: Always on, 300TB/year user workload rate with 24x7 accessibility provides peace of mind while supporting the heaviest of multi-user workloads
- Warranty: Five-year limited product warranty protection plan and three year Rescue Data Recovery Services included
- The available storage capacity may vary.
Full Specifications
| Brand | Seagate |
|---|---|
| Color | Black |
| Warranty | Five-year limited product warranty protection plan and three year Rescue Data Recovery Services included |
| Model Name | IronWolf Pro |
| Read Speed | 250 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Form Factor | 3.5-inch |
| Model Number | ST20000NE000 |
| RV Mitigation | Enjoy consistent performance with built-in rotational vibration sensors providing reliable storage for NAS with little lag or down time |
| Built-In Media | IronWolf™ Pro 20TB SATA |
| Item Type Name | Hard Drive |
| Hard-Drive Size | 20 TB |
| Mfr Part Number | ST20000NE000 |
| Number of Items | 1 |
Ready to buy?
Seagate IronWolf Pro, 20TB NAS Internal HDD –CMR 3.5 Inch SATA 6 Gb/s, 7,200 RPM, 256MB Cache for RAID Network Attached Storage, Rescue Services (ST20000NEZ00/000) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-27. Price and availability subject to change.
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