Seagate (Recertified) IronWolf Pro 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST16000NE000)

Amazon Renewed

Amazon Renewed Seagate (Recertified) IronWolf Pro 16TB NAS Internal Hard Drive HDD

Status: Seagate (16TB hard drive): Unavailable on Amazon as of 2026-10-05 04:16 UTC. Closest in-stock match (same 16TB hard drive): Glyph BlackBox Pro External Hard Drive 7200 RPM, $999.99 on Amazon as of 2026-10-06 22:25 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $999.99 🛒 Search eBay for this model

Bottom line: The Amazon Renewed Seagate IronWolf Pro 16TB NAS Internal Hard Drive HDD: 16TB CMR drive, suited to parity RAID rebuilds that can stall on SMR drives; main trade-off: recertified unit; warranty terms may differ from new, so check the listing.

Unavailable on Amazon as of 2026-10-05 04:16 UTC

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

Same 16TB hard drive: Glyph BlackBox Pro External Hard Drive 7200 RPM — $999.99 on Amazon as of 2026-10-06 22:25 UTC (price may vary).

View Current Price — $999.99

Same 16TB hard drive: Seagate Expansion 16TB External Hard Drive HDD… — $593.99 on Amazon as of 2026-10-07 08:15 UTC (price may vary).

View Current Price — $593.99

Same 16TB hard drive: WD 16TB My Book Duo Desktop RAID External Hard… — $824.05 on Amazon as of 2026-10-07 10:21 UTC (price may vary).

View Current Price — $824.05

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

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 →

Pros & Cons

Pros

✓ 16TB CMR drive, suited to parity RAID rebuilds that can stall on SMR drives
✓ 7200 RPM spindle with 256MB cache for multi-user NAS read/write loads
✓ Rotational vibration sensors and dual-plane balancing for multi-bay chassis
✓ Time-limited error recovery helps keep RAID arrays from dropping the drive
✓ Seagate factory recertified: data sanitized, tested, full firmware and parts

Cons

✗ Recertified unit; warranty terms may differ from new, so check the listing
✗ 7200 RPM typically runs louder and warmer than 5400 RPM NAS drives
✗ Internal 3.5-inch SATA drive; needs a NAS bay or enclosure, not plug-and-play USB
✗ Listing does not disclose the drive's prior usage hours or history

Manufacturer description

The Seagate IronWolf Pro 16TB (ST16000NE000) is a factory recertified 3.5-inch NAS hard drive for multi-bay RAID arrays that run around the clock. It uses CMR (conventional magnetic recording), spins at 7200 RPM and has a 256MB cache on a SATA 6Gb/s interface. That combination suits file servers, Plex libraries and backup targets where several users read and write at once. Seagate recertifies these drives in its own facilities. Each unit is data sanitized and tested, and it ships with all firmware and parts, the same process Seagate applies to every factory recertified device. You get…

SpecPicks Verdict

SpecPicks scored Amazon Renewed Seagate IronWolf Pro 16TB NAS Internal Hard Drive HDD using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Amazon Renewed's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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.

Frequently Asked Questions

Is the recertified Seagate IronWolf Pro 16TB CMR or SMR?

It is CMR (conventional magnetic recording). Seagate describes the IronWolf Pro line as an all-CMR portfolio, which suits RAID arrays that need consistent write performance during rebuilds.

What does factory recertified mean for this drive?

Per the listing, Seagate data sanitizes and tests the drive, and it includes all firmware and parts, like every Seagate factory recertified device. It is not a new-in-box unit.

Does the recertified IronWolf Pro 16TB come with a warranty?

Warranty coverage for recertified drives can differ from new retail IronWolf Pro drives. Check the Amazon Renewed product listing for the current warranty terms before you buy.

Will this drive work in my Synology or QNAP NAS?

It is a standard 3.5-inch SATA 6Gb/s drive built for multi-bay RAID NAS systems, and it supports IronWolf Health Management. Check your NAS maker's compatibility list for the ST16000NE000 model before you buy.

What are the key specs of the ST16000NE000?

16TB capacity, CMR recording, 7200 RPM, 256MB cache and a SATA 6Gb/s interface in a 3.5-inch form factor. It also has rotational vibration sensors, dual-plane balancing and time-limited error recovery for 24x7 multi-bay use.

Key Features

Factory recertified Seagate hard drive.
These drives are data sanitized, tested, and include all firmware and parts, like all Seagate factory recertified devices.
The all-CMR portfolio provides constant, industry-leading 24x7 performance.
IronWolf Health Management supports peak system health
Dual-plane balancing, time-limited error recovery, and rotational vibration sensors

Full Specifications

Brand	Seagate
Color	Silver
Model Name	IronWolf Pro
Read Speed	250 megabytes_per_second
Form Factor	3.5-inch
Media Speed	250.0 megabytes_per-second
Model Number	ST16000NE000
Built-In Media	Hard Drive
Hard-Drive Size	16 TB
Mfr Part Number	ST16000NE000-cr
Number of Items	1
Special Feature	Portable
Vibration/Rumble	Yes
Installation Type	Internal Hard Drive
Compatible Devices	Desktop
Data Transfer Rate	210 megabytes_per_second
Enclosure Material	Aluminum
Additional Features	Portable
Hard Disk Interface	SATA 6 GB/s
Warranty Description	90 days limited warranty
Full listing title	Seagate (Recertified) IronWolf Pro 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST16000NE000)

Ready to buy?

Amazon shows no buyable offer for Seagate at the last check. The closest in-stock match with the same 16TB hard drive is Glyph BlackBox Pro External Hard Drive 7200 RPM. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $999.99