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Seagate

Seagate Exos X14 ST14000NM0018 14TB 7200 RPM SATA 6.0Gb/s 256MB 3.5" internal hard drive

SKU CH-QQCE-02DT2 MPN ST14000NM0018

Stores 14 TB in a 3.5-inch helium-sealed drive spinning at 7 200 RPM with a 256 MB cache and SATA 6.0 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity14TB
  • NAND Flash Memory TypeSLC
  • RPM7200 RPM
  • Cache256MB
  • 14 TB capacity fits 40 % more petabytes per rack
  • 7200 RPM and 256 MB cache deliver up to 261 MB/s sustained transfer
  • 5 million-hour MTBF supports continuous enterprise workloads
  • Helium-sealed design with digital sensors protects against leaks and pressure changes
  • PowerBalance feature optimises IOPS per watt for data-centre efficiency

Capacity and interface

The Seagate Exos X14 ST14000NM0018 is a 14TB 3.5-inch enterprise hard drive built for SATA 6.0Gb/s interfaces. It spins at 7200 RPM with a 256MB cache and uses a helium-sealed design to deliver sustained transfer rates up to 261 MB/s. The drive is rated for 2.5 million hours MTBF and carries a five-year limited warranty.

Who this suits and who should look elsewhere

This drive suits hyperscale storage arrays, big data workloads and rack-mounted servers that prioritise maximum capacity per slot and low power per terabyte. It is not for systems that cannot accept a 3.5-inch form factor or that require a non-SATA interface. Buyers needing higher random IOPS or a smaller physical footprint should consider alternative storage types.

Deciding specification

The 14TB capacity on a single SATA 6.0Gb/s drive is the specification that determines fit; it provides 40% more petabytes per rack compared to lower-capacity models while maintaining a 4.16ms average latency and 512e/4Kn sector support.

Highlights

  • 14 TB capacity fits 40 % more petabytes per rack
  • 7200 RPM and 256 MB cache deliver up to 261 MB/s sustained transfer
  • 5 million-hour MTBF supports continuous enterprise workloads
  • Helium-sealed design with digital sensors protects against leaks and pressure changes
  • PowerBalance feature optimises IOPS per watt for data-centre efficiency

Specifications

BrandSeagate
SeriesExos X14
ModelST14000NM0018
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity14TB
NAND Flash Memory TypeSLC
RPM7200 RPM
Cache256MB
Average Latency4.16ms
Features14TB per drive for 40% more petabytes per rack
Industry's lowest power and weight for optimum data center TCO
Highest 14TB hard drive performance with enhanced caching, making it perfect for big data applications
Hyperscale SATA model tuned for large data transfers
PowerBalance feature optimizes IOPS/Watt
Helium sealed-drive design with no porosity and uniform density
Superior material and weld-width design for a more robust, hermetically sealed-drive enclosure that protects from helium leaks
Digital environmental sensors for measuring internal pressure, helping to ensure high reliab
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Shipping weight0.02 kg
Package size164 × 144 × 3 mm

Questions about this item

What SATA host controller or backplane do I need to run this ST14000NM0018 at its full 6.0 Gb/s interface speed?

A SATA 6.0 Gb/s controller or backplane with a standard 3.5" drive bay and SATA power connector will let the Exos X14 reach its rated 261 MB/s sustained transfer rate.

Will this 14 TB helium-sealed Exos X14 work in an older server that only supports 512-byte sector drives?

Yes, the drive uses 512e emulation so it appears as 512-byte sectors to the host while writing 4Kn physically, keeping compatibility with legacy controllers.

How can I verify the drive is healthy and performing at its specified 2.5 million-hour MTBF after installation?

Monitor SMART attributes for reallocated sectors and pending sectors; a sustained transfer rate near 261 MB/s and average latency around 4.16 ms confirm normal operation.

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