Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST4000NEZ01)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
Harness the power of IronWolf Pro HDDs, built with NAS-optimized AgileArray firmware for exceptional RAID reliability and NAS compatibility during the heaviest of workloads. Built-in rotational vibration sensors provide consistent performance and reliable storage for NAS—with little lag or down time—while easily tackling heavy workloads in multi-user NAS environments. Built tough and always ready with a 300TB/year workload rate, 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 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA… as a solid pick with broad community endorsement in the external storage category, based on 2,736 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. 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 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 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)
- ✓ The available storage capacity may vary.
- ✓ 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
- IronWolf internal hard drives are the ideal solution for up to 24-bay, multi-user NAS server environments that demand powerhouse performance
- Store more and work faster with a NAS hard drive that provides 4TB and speeds up to 214MB/s
- Specifically built for less wear and tear, little to no noise/vibration, no lags or down time, increased file-sharing performance, lower power consumption, and extra data protection—even in the event of power loss
- Easily monitor NAS drive health using the integrated IronWolf Health Management system, and enjoy long-term reliability with 1. 2M hours MTBF
- 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 | Multicolor |
| Model Name | IronWolf Pro |
| Read Speed | 214 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Form Factor | 3.5-inch |
| Media Speed | 214 Megabytes Per Second |
| Model Number | ST4000NEZ01 |
| Built-In Media | IronWolf™ Pro 4TB SATA |
| Hard-Drive Size | 4 TB |
| Mfr Part Number | ST4000NEZ01/NE001 |
| Number of Items | 1 |
| Special Feature | Data Recovery Service |
| Vibration/Rumble | Yes |
Ready to buy?
Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST4000NEZ01) 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 2026-05-12. Price and availability subject to change.
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