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Silver 3.5 inch internal hard drive with circuit board visible

Seagate

Seagate IronWolf Pro 12TB 7200 RPM 256MB CMR SATA 6.0Gb/s 3.5" ST12000NE0008

SKU CH-MDQM-GCS2J MPN ST12000NE0008

A 12TB 7200 RPM CMR drive with 256MB cache built for multi-bay NAS using AgileArray balancing and RV sensors

  • Total capacity12 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drive
  • Recording methodCMR
  • Rotational speed7,200 RPM

Capacity 12TB

  • 12TB capacity for large NAS storage arrays
  • 7200 RPM and 256MB cache deliver sustained 24×7 performance
  • CMR recording technology ensures consistent write speeds
  • AgileArray with RV sensors optimises RAID in multi-bay enclosures
  • 300TB/year workload rating and 2.5M hours MTBF for enterprise dependability

12 TB NAS Drive for Multi-Bay Systems

The Seagate IronWolf Pro ST12000NE0008 is a 3.5 inch internal hard drive built for network-attached storage. It delivers 12 TB of capacity through conventional magnetic recording at 7200 RPM with a 256 MB cache. The SATA 6.0 Gb/s interface suits multi-bay NAS enclosures that require sustained throughput and RAID optimisation.

Sustained 24×7 Workload Handling

Rated for up to 300 TB per year, the drive is engineered for continuous operation rather than burst transfers. AgileArray firmware provides dual-plane balancing and time-limited error recovery to keep RAID arrays stable under constant read-write cycles. Rotational vibration sensors further maintain consistent performance when multiple drives share a chassis.

Helium-Sealed Build with Health Monitoring

A helium-sealed design reduces internal turbulence and power draw while supporting the 2.5 million hour MTBF rating. IronWolf Health Management monitors drive behaviour and issues prevention, intervention and recovery alerts through compatible NAS operating systems. The package includes three years of Rescue Data Recovery Services for mechanical or accidental data loss.

How it compares

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

Price $161.99
Pricier than about 62% of the 4,938 comparable items (median $107.99).
Total capacity 12 TB
Higher than about 90% of the 2,372 comparable items (median 2 TB).
Price per TB $13.50 per TB
Cheaper than about 96% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineIronWolf Pro
Model nameST12000NE0008
Total capacity12 TB
Recommended useEnterprise NAS Hard Drives
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Flash memory typeHard Drive
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 weight0.68 kg
Package size164 × 132 × 33 mm

Other versions of this model

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Questions about this item

How much heat and power does the 7200 RPM drive generate when running 24×7 in a multi-bay NAS?

The IronWolf Pro is built for 24×7 operation with AgileArray power management and rotational-vibration sensors that keep heat and vibration low in multi-bay enclosures.

What host interface and bay size does the ST12000NE0008 need to work?

It requires a standard SATA 6.0Gb/s port and a 3.5-inch drive bay; the drive measures 146.99 mm long, 101.85 mm wide and 26.11 mm high.

Will this 12 TB CMR drive work reliably alongside older SATA drives in a RAID array?

Yes, AgileArray provides dual-plane balancing and time-limited error recovery so the drive maintains RAID performance and compatibility with existing SATA drives.

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