Seagate IronWolf
Status: Seagate IronWolf: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.
Bottom line: The Seagate IronWolf: All-CMR recording for consistent 24x7 RAID performance; main trade-off: 7,200 RPM drive, so expect more noise and heat than slower NAS HDDs.
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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: Seagate IronWolf Pro — $879.99 on Amazon as of 2026-10-21 12:20 UTC (price may vary).
Similar: Seagate 4TB IronWolf NAS SATA Hard Drive 6Gb/s… — $184.95 on Amazon as of 2026-10-21 04:16 UTC (price may vary).
Similar: Seagate IronWolf 8TB NAS Internal Hard Drive HDD — $329.99 on Amazon as of 2026-10-21 12:20 UTC (price may vary).
Pros & Cons
Pros
- ✓ All-CMR recording for consistent 24x7 RAID performance
- ✓ Up to 550 TB/year workload rating for heavy multi-user NAS traffic
- ✓ 2.5M-hour MTBF backed by a 5-year limited warranty
- ✓ 3 years of Rescue Data Recovery Services included at no extra cost
- ✓ RV sensors, TLER and AgileArray firmware tuned for multi-bay arrays
Cons
- ✗ 7,200 RPM drive, so expect more noise and heat than slower NAS HDDs
- ✗ Rebuilding a 16TB array member in RAID can take many hours
- ✗ IronWolf Health Management needs a supported NAS to be useful
- ✗ Enterprise-tier features are overkill for single-drive desktop backup
Manufacturer description
The Seagate IronWolf Pro 16TB (ST16000NTZ01) is a 3.5-inch enterprise NAS hard drive for multi-bay, multi-user RAID arrays that run around the clock. It uses conventional magnetic recording (CMR) rather than SMR, spins at 7,200 RPM, has a 256 MB cache and connects over SATA 6Gb/s. That combination gives you consistent performance under constant load. Seagate rates the drive for up to 550 TB of workload per year and 2.5 million hours MTBF. AgileArray firmware adds dual-plane balancing and time-limited error recovery (TLER). Rotational vibration (RV) sensors help keep performance steady when…
SpecPicks Verdict
SpecPicks scored Seagate IronWolf using a rating × review-volume × price-fit model applied to published specs and reviews across the nas & home servers category. Compare with similarly-priced alternatives in the nas & home servers 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 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Does the IronWolf Pro 16TB use CMR or SMR recording?
It uses CMR (conventional magnetic recording). Seagate says the entire IronWolf Pro line is CMR, which is the recording type you want for RAID arrays that run 24x7.
What warranty comes with the Seagate IronWolf Pro 16TB?
It comes with a 5-year limited warranty and 3 years of Rescue Data Recovery Services at no extra cost. Check Seagate's site for the full warranty terms and how to register.
Can I install this drive in a regular desktop PC instead of a NAS?
Yes. It's a standard 3.5-inch SATA 6Gb/s hard drive, so it fits any 3.5-inch bay that has a SATA data and power connection. Its RAID features, such as TLER and RV sensors, matter most in multi-bay NAS enclosures.
How much workload is the IronWolf Pro 16TB rated for?
Seagate rates it for up to 550 TB of workload per year and 2.5 million hours MTBF, and designs it for 24x7 operation in multi-user commercial and enterprise RAID systems.
What is the model number, and what are the key specs?
The model number is ST16000NTZ01. It's a 16TB, 3.5-inch CMR drive that spins at 7,200 RPM, has a 256 MB cache and uses a SATA 6Gb/s interface.
Key Features
- High Performance: All-CMR (conventional magnetic recording) portfolio enables consistent, industry-leading 24×7 performance allowing users to access data anytime, anywhere
- Class-Leading Dependability: Up to 550 TB/year workload rating, 2.5M hours MTBF, and 5-year limited warranty for unparalleled total cost of ownership (TCO)
- Peace of Mind with Data Recovery: Complimentary 3 year Rescue Data Recovery Services for a hassle-free, zero-cost data recovery experience
- IronWolf Health Management: Helps protect data with prevention, intervention, and recovery recommendations to ensure peak system health
- Optimised for NAS: AgileArray with dual-plane balancing, time-limited error recovery (TLER), and rotational vibration (RV) sensors to deliver top RAID performance in multi-bay environments
Full Specifications
| Brand | Seagate |
|---|---|
| Color | NAS HDD PRO |
| Model Name | IronWolf Pro |
| Read Speed | 180 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Form Factor | 3.5-inch |
| Media Speed | 270 mégaoctets_par_seconde |
| Model Number | ST16000NTZ01 |
| Built-In Media | IronWolf Pro HDD 16TB, The actual capacity may vary. |
| Item Type Name | IronWolf Pro Refresh |
| Hard-Drive Size | 16 TB |
| Mfr Part Number | 763649177037 |
| Number of Items | 1 |
| Special Feature | Portable |
| Vibration/Rumble | Yes |
| Hardware Platform | PC |
| Installation Type | Internal Hard Drive |
| Compatible Devices | Desktop, NAS |
| Data Transfer Rate | 214 Megabits Per Second |
| Enclosure Material | Aluminum, Glass, Or Ceramic |
| Full listing title | Seagate IronWolf, Pro 16TB, Enterprise Internal NAS HDD – CMR 3.5 Inch, SATA 6GB/s, 7,200 RPM, 256 MB Cache for RAID NAS - Frustration Free Packaging (ST16000NTZ01) |
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Amazon shows no buyable offer for Seagate IronWolf at the last check. A similar in-stock product is Seagate IronWolf Pro. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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