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Silver 3.5 inch internal hard drive with SATA connectors

Seagate

Seagate ST12000NM0127 12TB 7200 RPM 256MB SATA 3.5" internal hard drive

SKU CH-01JG-V2CYC

High-capacity 12 TB SATA drive with 7200 RPM and 256 MB cache for 1-to-8-bay NAS systems

  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • RPM7200 RPM
  • Form Factor3.5"
  • 12 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers fast sequential throughput
  • 256 MB cache buffers heavy multi-user workloads
  • SATA 6.0 Gb/s interface fits standard desktop and NAS bays
  • Built for 24 x 7 operation in multi-drive enclosures

Capacity and purpose

This 12TB 3.5" internal hard drive delivers high-capacity storage for desktop workstations and multi-bay NAS enclosures. It spins at 7200 RPM with a 256MB cache to serve sustained read and write workloads. The SATA 6.0Gb/s interface connects directly to standard motherboard or controller ports. It is built for 24x7 operation in always-on environments.

Build integration

The drive fits any 3.5" bay and uses the common SATA data and power connectors already present in most chassis. No special cabling or adapter brackets are required for installation. Its design minimises vibration effects that can arise when multiple drives operate side by side. This helps maintain consistent performance in dense storage arrays.

Sustained load behaviour

Firmware and mechanical tuning target steady throughput during long backup, archival or streaming sessions rather than short burst speeds. The 7200 RPM spindle speed supports continuous data transfer across the full 12TB capacity. Compatibility testing with major NAS vendors reduces the risk of firmware conflicts under heavy queue depths. The drive is rated for non-stop annualised workloads.

Highlights

  • 12 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers fast sequential throughput
  • 256 MB cache buffers heavy multi-user workloads
  • SATA 6.0 Gb/s interface fits standard desktop and NAS bays
  • Built for 24 x 7 operation in multi-drive enclosures

Specifications

BrandSeagate
Part NumberST12000NM0127
InterfaceSATA 6.0Gb/s
Capacity12TB
RPM7200 RPM
Form Factor3.5"

Questions about this item

What sustained workload rating does the 12TB 7200 RPM drive carry for 24x7 NAS use?

The drive is built and tested for 24x7 NAS applications with a 12TB capacity rating.

How much vibration resistance does the 3.5" 7200 RPM mechanism provide in multi-bay enclosures?

Specifically designed to minimize vibration effects typically found in multi-drive solutions, improving reliability.

Which host interface must the system provide for this SATA 6.0Gb/s 12TB unit?

A SATA 6.0Gb/s port on the motherboard or controller card is required.

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