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Silver 3.5-inch bare hard drive with silver label and exposed circuit board on bottom

Seagate

Seagate IronWolf ST12000VN0007 12TB 7200 RPM 256MB SATA 3.5" internal hard drive

SKU CH-E8GY-CRDHY MPN ST12000VN0007

12 TB NAS drive with 7200 RPM, 256 MB cache and AgileArray for multi-bay RAID

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • RPM7200 RPM
  • Cache256MB
  • FeaturesOptimized for NAS with AgileArray. AgileArray enables dual-p
  • Designed for multi-bay NAS with AgileArray optimisation
  • 12TB capacity stores large media libraries and backups
  • 7200 RPM and 256MB cache deliver responsive throughput
  • Rotational vibration sensors maintain reliability in dense enclosures
  • 180TB yearly workload rating supports continuous 24x7 operation

12TB NAS drive for multi-bay RAID

The Seagate IronWolf ST12000VN0007 is a 12TB 3.5-inch internal hard drive built for network-attached storage. It spins at 7200 RPM with a 256MB cache on a SATA 6.0Gb/s interface. AgileArray firmware adds dual-plane balancing and RAID optimisation for multi-bay enclosures. Rotational vibration sensors help sustain 24x7 operation in always-on environments.

Suits NAS builders who need 12TB CMR capacity

This drive targets users building or expanding a NAS with multiple bays who want conventional magnetic recording and a 180TB-per-year workload rating. It is not for buyers who need a non-RAID desktop drive, a smaller capacity, or an SSD form factor. Shuckers and single-drive external users should look elsewhere.

180TB-per-year workload rating decides fit

The 180TB annual workload rate is the key figure that matches the drive to multi-bay NAS duty cycles. If your planned writes stay well below that level, a lower-rated drive may suffice; if you expect heavier sustained throughput, you will need a higher-rated model.

Highlights

  • Designed for multi-bay NAS with AgileArray optimisation
  • 12TB capacity stores large media libraries and backups
  • 7200 RPM and 256MB cache deliver responsive throughput
  • Rotational vibration sensors maintain reliability in dense enclosures
  • 180TB yearly workload rating supports continuous 24x7 operation

Specifications

BrandSeagate
SeriesIronWolf
ModelST12000VN0007
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity12TB
RPM7200 RPM
Cache256MB
FeaturesOptimized for NAS with AgileArray. AgileArray enables dual-plane balancing and RAID optimization in multi-bay environments, with the most advanced power management possible.
Actively protect your NAS with IronWolf Health Management focusing on prevention, intervention and recovery.1
High performance means no lag time or downtime for users during workload traffic for the NAS. Seagate leads the competition with the highest-performing NAS drive portfolio.2
Rotational Vibration (RV) sensors. First in its class of drives to include RV sensors to maintain high performance in multi-drive NA
UsageFor NAS systems
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.85mm
Length (maximum)146.99mm
Shipping weight0.71 kg
Package size157 × 146 × 37 mm

Questions about this item

How do I decide between the 12TB IronWolf and the higher 16TB model listed in the range?

The 12TB drive shares the same 7200 RPM speed, 256MB cache and SATA 6.0Gb/s interface as the 16TB version, so choose based on how much raw capacity your NAS bays need.

What does the 180TB yearly workload rating mean for my day-to-day NAS use?

It indicates the drive is built for continuous 24x7 operation in multi-bay RAID arrays, handling heavy read and write cycles without exceeding its design limits.

Will the SATA 6.0Gb/s interface bottleneck this 7200 RPM drive in a modern NAS?

The SATA 6.0Gb/s link caps the theoretical transfer ceiling, but the 7200 RPM mechanism and 256MB cache keep sustained throughput well within that limit for typical NAS workloads.

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