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Seagate Exos X14 14 TB 3.5 inch SAS hard drive

Seagate

Seagate Exos X14 ST14000NM0048 14 TB 3.5" SAS 12Gb/s 7200 RPM internal hard drive

SKU CH-C4VF-MVZAP MPN ST14000NM0048

High-capacity 3.5-inch internal drive stores 14 TB at 7200 RPM over a SAS 12Gb/s interface

  • Total capacity14 TB
  • Interface typeSAS 12Gb/s
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 14 TB capacity fits 40% more petabytes per rack
  • SAS 12 Gb/s interface moves large data transfers efficiently
  • 7200 RPM spindle with enhanced caching accelerates big data workloads
  • Helium sealed design prevents leaks and ensures uniform density
  • PowerBalance feature optimises IOPS per Watt for data centre TCO

Capacity and interface

The Seagate Exos X14 ST14000NM0048 is a 14 TB 3.5 inch internal hard drive with a SAS 12Gb/s interface. It operates at 7200 RPM and uses a 512e/4Kn sector format. This drive is built for data centres and enterprise storage arrays that need high-capacity, helium-sealed mechanical storage.

14 TB headroom and workload fit

Fourteen terabytes provides dense capacity for bulk archives, backup targets and sequential big-data workloads. The helium-filled design and PowerBalance feature support sustained throughput with lower power per terabyte. Random, latency-sensitive workloads or small-block databases will exhaust IOPS headroom before capacity fills.

Helium sealing and caching enhancements

The hermetically sealed helium enclosure eliminates internal turbulence and protects against leaks for long-term reliability. Digital environmental sensors monitor internal pressure to maintain consistent performance. Enhanced caching algorithms and the PowerBalance feature optimise IOPS per watt for large-transfer efficiency.

How it compares

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

Price $962.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 14 TB
Higher than about 91% of the 2,372 comparable items (median 2 TB).
Price per TB $68.79 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameSeagate
Model nameST14000NM0048
Part numberST14000NM0048
Total capacity14 TB
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Shipping weight0.69 kg
Package size147 × 102 × 26 mm

Questions about this item

Will the SAS 12Gb/s interface work with my existing 6Gb/s SAS backplane?

Yes, the SAS 12Gb/s interface is backwards compatible with 6Gb/s and 3Gb/s SAS infrastructure. It will negotiate the highest mutually supported link speed automatically upon insertion.

How can I verify the helium seal and 7200 RPM operation after installation?

Use the drive's built-in digital environmental sensors via SMART tools to read internal pressure and temperature; a healthy pressure reading confirms the hermetic seal, while RPM verification confirms 7200 RPM spindle speed.

Does the ST14000NM0048 include rails, cables or a 512e/4Kn sector-format jumper?

The drive ships as a bare 3.5" unit without mounting rails, SAS cables or a sector-format jumper; the 512e/4Kn mode is configured through the SAS controller or host utility, not a physical jumper.

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