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Silver 3.5 inch bare hard drive with SAS connector visible

Seagate

Seagate ST4000NM0014 4TB 7200 RPM SAS 12Gb/s 128MB 3.5" internal hard drive

SKU CH-D665-6T36Q MPN ST4000NM0014

Enterprise 4TB drive with SAS 12Gb/s interface, 7200 RPM and 128MB cache for high-capacity storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity4TB
  • RPM7200 RPM
  • Cache128MB
  • Average Latency4.16ms
  • 4TB capacity stores large enterprise datasets
  • SAS 12Gb/s interface enables fast data transfers
  • 7200 RPM spindle speed delivers responsive random performance
  • 128MB cache buffers intensive workloads efficiently
  • 5-inch form factor fits standard drive bays

Enterprise SAS storage for bulk data

The Seagate ST4000NM0014 is a 4TB enterprise-class hard drive built for high-capacity density RAID arrays and bulk-data applications. It uses a SAS 12Gb/s interface and spins at 7200 RPM with a 128MB cache. The 3.5-inch form factor fits standard enterprise drive bays and backplanes.

Thermals noise and power profile

As a mechanical enterprise drive, it generates typical operational heat and audible seek noise under sustained workloads. The 7200 RPM spindle speed and SAS interface draw consistent power during random and sequential access patterns. System integrators should provide adequate airflow in multi-drive enclosures to maintain reliable operating temperatures.

Bare drive packaging implications

The drive ships as a bare unit without cables, mounting brackets, or software utilities in the box. Deployment requires a compatible SAS controller or backplane and appropriate cabling sourced separately. RAID configuration and management depend entirely on the host controller or storage appliance firmware used in the target system.

Highlights

  • 4TB capacity stores large enterprise datasets
  • SAS 12Gb/s interface enables fast data transfers
  • 7200 RPM spindle speed delivers responsive random performance
  • 128MB cache buffers intensive workloads efficiently
  • 5-inch form factor fits standard drive bays

Specifications

BrandSeagate
SeriesEnterprise Capacity 3.5
ModelST4000NM0014
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity4TB
RPM7200 RPM
Cache128MB
Average Latency4.16ms
FeaturesCapacity-Optimized Enterprise Hard Drive for Bulk-Data Applications
- Highest-capacity large form factor enterprise drive - 50% more capacity over last generation with up to 6TB - for demanding data growth
- Fastest high-capacity HDD with best-in-class random and sequential read/write performance
- Eighth-generation drive technology for reliable access to bulk storage of unstructured data
- Both 12Gb/s SAS and SATA 6Gb/s interfaces for easy integration into replicated and RAID storage systems
- Enhanced error correction, super parity and end-to-end SAS-based data integrity for accura
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Shipping weight1.36 kg
Package size178 × 127 × 25 mm

Questions about this item

How do I install this 3.5" SAS 12Gb/s drive and what step is often missed?

Mount the drive using standard 3.5" screw holes, connect the SAS data and power cables, then configure the drive in your RAID controller BIOS before the OS sees it.

What maintenance or replacement will this 4TB Enterprise Capacity drive need later?

Plan for eventual replacement after the rated workload limit; monitor SMART reallocated-sector counts and run periodic surface scans to catch degradation early.

What limit appears first on this 7200 RPM drive during sustained writes?

The 128MB cache fills quickly under heavy streaming writes, so sustained throughput drops to the native media transfer rate once the buffer is saturated.

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