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Silver 3.5 inch hard drive with green label showing 16TB capacity

Seagate

Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB 3.5" internal hard drive

SKU CH-M6EK-YB190 MPN ST16000NT001

16 TB CMR drive built for 24/7 enterprise NAS with 7200 RPM speed and 256 MB cache

  • Total capacity16 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Recording methodCMR
  • Rotational speed7,200 RPM
  • Cache memory256 MB

Capacity 16TB

  • 16 TB capacity stores massive datasets
  • 7200 RPM spindle enables rapid data access
  • 256 MB cache accelerates read and write operations
  • CMR recording technology ensures consistent performance in RAID arrays
  • AgileArray firmware optimises reliability for 24/7 multi-bay NAS environments

IronWolf Pro 16TB NAS drive

The Seagate IronWolf Pro ST16000NT001 is a 16TB hard drive built for 24/7 operation in multi-bay NAS enclosures. It targets commercial and enterprise users who need always-accessible storage for RAID arrays, video production workflows or shared network volumes. The drive uses conventional magnetic recording to maintain consistent performance under heavy, sustained workloads.

3.5-inch SATA build

The 3.5-inch form factor fits standard drive bays and connects through a SATA 6.0Gb/s interface. AgileArray firmware adds dual-plane balancing and time-limited error recovery to keep RAID rebuilds smooth in dense chassis. A 256MB cache absorbs burst write traffic while the CMR recording method avoids the latency spikes of shingled media.

7200 RPM thermals and power

Spinning at 7200 RPM, the drive generates typical enterprise-class heat and acoustic output for a high-capacity mechanical unit. Power draw scales with the constant spindle speed and active caching during heavy multi-user access. The design assumes adequate airflow in a server or NAS chassis to sustain reliable long-term operation.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $456.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 16 TB
Higher than about 92% of the 2,372 comparable items (median 2 TB).
Price per TB $28.56 per TB
Cheaper than about 84% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineIronWolf Pro
Model nameST16000NT001
Part numberST16000NT001
Total capacity16 TB
Recommended useEnterprise NAS Hard Drives
Performance
Rotational speed7,200 RPM
Storage
Recording methodCMR
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.85 mm
Maximum length146.99 mm
Shipping weight0.79 kg
Package size234 × 163 × 79 mm

Other versions of this model

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Questions about this item

What transfer speed does the SATA 6.0Gb/s interface actually deliver for the ST16000NT001?

The SATA 6.0Gb/s link caps at 6.0Gb/s, so sustained throughput is limited by the drive's 7200 RPM mechanicals and 256MB cache rather than the bus.

Will the 26.11mm height fit a standard 3.5" drive bay?

Yes, the 26.11mm height matches the standard 3.5" form factor and the 101.85mm by 146.99mm footprint fits any compliant bay.

How do I enable AgileArray for RAID on this IronWolf Pro?

AgileArray is built into the firmware; configure the drive in your NAS RAID controller and the dual-plane balancing with time-limited error recovery activates automatically.

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