Seagate
IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
Purpose built for multi-user NAS environments, IronWolf is perfect for teams needing to store more and work faster. Designed for up to 8 bays and featuring 4TB and speeds of up to 180MB/s, these internal hard drives are specifically built for less wear and tear, little to no noise/vibration, no lags or down time, increased file-sharing performance, and lower power consumption. Easily monitor the health of hard drives using the integrated IronWolf Health Management system and Enjoy long-term reliability with 1M hours MTBF and included is a three year Seagate Rescue Data Recovery service and…
SpecPicks Verdict
SpecPicks classifies Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s… as a solid pick with broad community endorsement in the external storage category, based on 12,603 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 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 (12,603 reviews)
- ✓ 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
- IronWolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse performance
- Store more and work faster with a NAS-optimized hard drive providing ultra-high capacity up to 16TB and cache of up to 256MB
- Purpose built for NAS enclosures, IronWolf delivers less wear and tear, little to no noise/vibration, no lags or down time, increased file-sharing performance, and much more
- Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long-term reliability with 1M hours MTBF
- Three-year limited warranty protection plan included and three year Rescue Data Recovery Services included
Full Specifications
| UPC | 763649173817 |
|---|---|
| ASIN | B09NHV3CK9 |
| Brand | Seagate |
| Color | NAS |
| Model Name | ST4000VN006 |
| Read Speed | 180 Megabytes Per Second |
| Unit Count | 1 Count |
| Form Factor | 3.5-inch |
| Item Weight | 490 Grams |
| Media Speed | 202 |
| Manufacturer | Seagate |
| Model Number | ST4000VN006 |
| Built-In Media | IronWolf™ 4TB SATA |
| Hard-Drive Size | 4 TB |
Ready to buy?
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) 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 2026-05-23. Price and availability subject to change.
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