Seagate · NAS hard drive buying guide
Seagate IronWolf Pro 16TB · Exact identity: ST16000NT001
16TB decimal capacity · CMR · SATA 6 Gb/s
Catalog amount: $579.99 · unverified · Price record: 2026-09-17. Tax and shipping excluded.
Latest prices could not be retrieved. Showing a dated backup; recheck the store.
IronWolf Pro 16TB: specifications and dated store comparison →16 TB per bay for a growing shared-storage array
One 16 TB ST16000NT001 drive · 3.5-inch SATA · CMR · 7200 RPM
This guide combines Seagate DS2129.4 with two exact-MPN owner videos. GN Engenharia copied from an NVMe SSD onto a fresh ST16000NT001-3MC101; Windows Explorer showed 281 MB/s at 17% complete — not an average. Steve Bentioulis (2023) reported a new Amazon unit that clicked and was undetected on multiple SATA/power cables, filming in a Sabrent dock. Neither is a RAID laboratory. Older 16TB Pro RAID6 labs remain the NE class. ChooseCompute has not tested this drive. See the review evidence ↓
CMR recording and the annual workload class suit always-on NAS storage.[1]
16 TB per bay provides substantial raw capacity; usable space depends on redundancy.[1]
Enclosure vibration and seek noise need separate consideration; no room-noise guarantee follows from the specification.[1][2]
A 7200 RPM mechanical drive has rotational delay; capacity-focused NAS storage is its main role.[2]
Follow any specification for its full conditions and sources.
Living with it
A pair of 16 TB drives in a simple mirror provides roughly 16 TB before formatting and filesystem overhead. Four equal drives with one drive of parity provide roughly 48 TB before overhead. These are capacity calculations, not measurements; snapshots and reserved space reduce what remains.[1]
The 550 TB/year workload class, RV sensors and RAID-oriented error recovery suit frequent shared storage use. They do not make a single drive redundant or make an unsupported NAS configuration approved.[1]
The 270 MB/s outer-track rating describes the drive under manufacturer conditions. Network speed, parity, small files and the NAS processor can all limit transfers. Buy the capacity and workload class you need; do not equate SATA link speed with file-copy speed.[1]
The exact-model datasheet and the later shared manual disagree on cache, some performance figures and operating limits. The tables preserve both contexts. If an exact cache size or thermal/acoustic limit decides your purchase, ask the seller or Seagate to confirm the revision supplied.[1][2]
StorageReview measured an 8-drive RAID6 of IronWolf Pro 16TB from the pre-NT generation. TweakTown's 16TB IronWolf/Pro/Exos article is the 2019 launch family. Use those pieces for RAID and 16TB CMR context, not as ST16000NT001 sequential or IOPS numbers. NT001's published advantage is the 550 TB/year / 2.5M-hour class versus the older 300 TB/year / 1.2M-hour class.[7][8][1]
The Kabum-purchased ST16000NT001-3MC101 completed a Windows copy from NVMe. The on-screen 281 MB/s is Explorer’s instantaneous speed at 17% of that copy. Steve Bentioulis’s 2023 clip is a single undetected/clicking unit; he wrote that multiple SATA/power connections behaved the same, and that Seagate’s 30-day lab/refurb comments were his experience then, not a verified current policy. StorageReview’s 16TB Pro RAID6 article is still the older NE generation.[10][11][7]
Our buying advice combines official specifications with the original reviews below. We have not tested this product ourselves. Expand a review for its setup, measurements and limitations.
GN EngenhariaMay 28, 2026
On ST16000NT001-3MC101, a Windows 11 copy from the system NVMe showed 281 MB/s instantaneous at 17% complete (46 items, 33.1 GB remaining). That is not a sustained average. The owner’s 14.5 TB Windows size is the usual decimal/binary reporting, not a measured shortfall.
Read the original reviewUnbox HD Seagate IronWolf Pro NAS 16TB ST16000NT001
Tested: Self-purchased at Kabum, arrived 2026-05-27. Windows 11. Fresh format, empty disk. Copy from system NVMe SSD to the Seagate. Device details show ST16000NT001-3MC101.
Applies to: Exact ST16000NT001-3MC101 Windows Explorer copy. The 281 MB/s figure is the instantaneous speed at 17% complete, not a sustained average or elapsed-time throughput.
| Measurement | Result | Conditions & source location |
|---|---|---|
| Windows Explorer instantaneous copy speed | 281 MB/s at 17% complete | 46 items, Downloads → HD Seagate 16TB; 33 items / 33.1 GB remaining; estimated 2m30s. Not average, not full-disk.1:49 frame |
Limits to keep in mind
Steve BentioulisMar 1, 2023
One self-bought ST16000NT001 was reported as clicking and undetected. The description says the same behavior on multiple SATA and power connections; the Sabrent dock is how the clip was filmed. SeaTools on camera shows only a Samsung SSD. This is one owner story from 2023, not a failure rate.
Read the original reviewNew Seagate IronWolf Pro 16TB (ST16000NT001) Drive beeping and clicking error DOA
Tested: Self-bought Amazon mid-February 2023, titled ST16000NT001. Description: same non-detection on multiple SATA/power connectors; Sabrent DS-UTC1 dock used in the video for simplicity, not as the only tried path. Windows Disk Management and SeaTools on camera list a Samsung SSD 860 EVO 1TB, not a 16TB Seagate.
Applies to: Single-owner 2023 non-detection/click report of a drive the author identifies as ST16000NT001. Not a failure-rate study and not a current Seagate replacement-policy document.
Limits to keep in mind
Before you buy
On 2026-09-11 Newegg’s visible primary price for ST16000NT001 was $579.99 in stock; the H1 also says OEM, so packaging and warranty still need a live check. Older B&H, marketplace and Amazon rows keep their original dates.[9][3]
Multiply the dated per-drive price by the number of drives you need, then allow for backup storage, a replacement plan and any network upgrade. Compare usable capacity after redundancy rather than adding raw TB alone.[1]
The datasheet lists 5 W average idle and 7.6 W average operating power per drive. Actual energy depends on workload, sleep settings and background tasks; include the NAS enclosure itself separately.[1][2]
Check ST16000NT001, 16 TB, one-drive quantity, new condition and the actual seller before paying. A standard retail listing can also display separate used offers or a different default marketplace seller.[1]
One 16 TB ST16000NT001 drive · 3.5-inch SATA · CMR · 7200 RPM Check the total delivered price at the store.
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Sold by Newegg
$629.99
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Observed shipping: $0.00
Observed Oct 7, 2026, 1:37:27 AM UTC[12]
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$639.99
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Observed Sep 27, 2026, 4:07:53 AM UTC[13]
View exact product at AdoramaSold by B&H Photo Video
$659.99
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One 16 TB ST16000NT001 3.5-inch SATA internal NAS HDD
Free Expedited Shipping shown. Price and stock are observations, not guarantees. Confirm exact MPN, new condition, seller and warranty before ordering. MFR ST16000NT001; 16 TB / quantity 1; In Stock, Add to Cart.
Observed Sep 8, 2026, 3:36:19 PM UTC[3]
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$679.99
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Observed Sep 27, 2026, 5:24:22 AM UTC[14]
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$893.69
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Observed Sep 27, 2026, 8:39:50 AM UTC[15]
View exact product at MemoryCSold by QuickDealStore
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One 16TB 3.5-inch SATA HDD
Shipping cost, US destination eligibility, import status and tax require checkout verification. Current page observation only. Recheck exact MPN/variant, seller, stock, hidden or changed price, regional warranty, shipping and tax before ordering.
Observed Sep 10, 2026[6]
View exact product at AmazonPrices are dated observations. Confirm the model, seller, condition, stock and delivered total at the store. Older prices remain visible as history. Links may earn a commission.
Yes. Seagate lists ST16000NT001 as CMR in its model-specific datasheet column.[1]
No. The drive is designed for NAS use, but controller support, maximum capacity and vendor firmware qualification still matter. Check the exact enclosure and drive model together.[1][2]
No. It is an annualized transfer workload that includes reads and writes. It is not an SSD-style lifetime TBW figure.[1][2]
No. Warranty and recovery services have conditions and do not guarantee recovery. Keep an independent copy of important data.[1][2]
No. The 281 MB/s figure is Windows Explorer’s instantaneous speed at 17% of one NVMe-to-disk copy of about 40 GB. It is not elapsed-time throughput and not a full-surface test.[10]
No. It is one 2023 Amazon unit the owner said failed to detect on several cables. That does not establish a failure rate. It is still a reason to test a new drive before trusting it in an array.[11]
Research updated Sep 11, 2026. Individual source check dates are listed below. Measurements belong to the named reviewers; tested configurations and software versions may differ from the product you buy.
Checked Sep 11, 2026 · DS2129.4-2311US p.2 ST16000NT001 column: 256 MB cache, 270 MB/s OD, 550 TB/year, 5.0 W idle, 7.6 W operating, 20/26 dBA, helium.
Checked Sep 11, 2026 · Cover models ST24000NT002 / ST20000NT001 / ST16000NT001 / ST12000NT001; specification summary tables pp. 7–12 and acoustics/power notes. Shared rows are not per-column.
Checked Sep 8, 2026 · Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. MFR ST16000NT001; 16 TB / quantity 1; In Stock, Add to Cart.
Checked Sep 8, 2026 · Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. Primary seller PC Parts Hub; Add to cart; OEM packaging.
Checked Sep 8, 2026 · Product heading / MFR, selected capacity and quantity; primary purchase area and seller disclosure. MFR and single 16 TB selector visible; $599.99 selector value does not establish active-offer stock, so no price quote.
Checked Sep 10, 2026 · Exact MPN in title; selected new main buy box provides Add to cart and shows seller QuickDealStore; ships from Amazon; numeric price is hidden behind cart.
Checked Sep 11, 2026 · Title includes ST16000NT001 and OEM; Newegg item 22-185-073 FinalPrice 579.99 Instock true
Checked Sep 11, 2026 · ASR 0:00–4:55; 1:49 copy 281 MB/s at 17%; 4:04 ST16000NT001-3MC101
Checked Sep 11, 2026 · ASR 0:00–1:31; description multiple SATA/power; frame ~0:32 SeaTools Samsung SSD only
Checked Oct 7, 2026 · newegg-main-item; sha256:bf56547cc56e5ec8f545c729a6d3a7ecb1150a1798514143c1258109c87b935d
Checked Sep 27, 2026 · Captured observation; sha256:29602ca4ce12106c86f79cc8c8b68d18c20a63f84824f0af416816e8e0263fa5
Checked Sep 27, 2026 · Captured observation; sha256:710a557bb17de793af1fa4a104572d277fbb558b970a5d15abe6ee749e583609
Checked Sep 27, 2026 · Captured observation; sha256:2b1cc26ccb4d6c604f5ce0848da23885864f4e7475f63d101743945df5976bcf
Independent review completed for the scope recorded in the audit.
Source evidence and review history (JSON)