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Seagate Exos X16 14TB 3.5 inch enterprise hard drive, silver aluminium casing, SAS connector visible

Seagate

Seagate Exos X16 ST14000NM002G 14TB 7200 RPM 256MB SAS 12Gb/s 3.5" internal hard drive

SKU CH-50JV-XT6YF MPN ST14000NM002G

Enterprise 3.5" SAS hard drive delivering 14 TB at 7200 RPM with 256 MB cache for hyperscale storage density

  • Total capacity14 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB

Model 14TB Exos X16

  • 14 TB capacity stores 33 % more data per rack than 12 TB drives
  • 7200 RPM and 256 MB cache deliver the highest 16 TB class performance
  • SAS 12 Gb/s interface supports massive scale-out data centre workloads
  • Helium sealed design lowers power per terabyte and reduces weight
  • Seagate Secure technology enables fast, safe drive retirement

Enterprise capacity drive

The Seagate Exos X16 ST14000NM002G is a 14TB 3.5-inch internal hard drive built for enterprise storage arrays. It spins at 7200 RPM with a 256MB cache and connects through a SAS 12Gb/s interface. The helium-sealed design reduces weight and power draw per terabyte while supporting 512e and 4Kn sector formats. A 5-year limited warranty and 2.5M-hour MTBF rating back the drive for continuous operation in rack-mounted systems.

Suited for scale-out storage

This drive targets cloud data centres and massive scale-out deployments that need maximum capacity per rack slot. The 14TB capacity and SAS interface suit workloads demanding sustained throughput and dual-port redundancy. Buyers who need a SATA interface, a smaller form factor, or a drive rated for desktop workloads should look elsewhere. The 26.11mm height also requires a drive bay that accepts standard 3.5-inch enterprise dimensions.

Straightforward rack installation

Installation follows standard 3.5-inch enterprise drive procedures: mount in a hot-swap carrier or fixed bay, attach the SAS data and power connectors, and configure the HBA or RAID controller for 12Gb/s operation. The helium seal is permanent and must not be breached; handle the drive by the edges to protect the side-sealing weld. Firmware should be updated before deployment to ensure compatibility with the storage enclosure’s sensor monitoring.

How it compares

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

Price $322.99
Pricier than about 84% 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 $23.07 per TB
Cheaper than about 91% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineExos X16
Model nameST14000NM002G
Total capacity14 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Flash memory typeHard Drive
Cache memory256 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.66 kg
Package size169 × 140 × 3 mm

Other versions of this model

3 more in the same range

Questions about this item

What type of SAS controller or backplane is required for the 12Gb/s interface?

A SAS controller or backplane that supports 12Gb/s speeds is needed to utilise the full interface bandwidth of the ST14000NM002G.

Can this 3.5" drive fit in a standard server chassis alongside older 3.5" SAS drives?

Yes, the drive uses the standard 3.5" form factor with maximum dimensions of 147.00mm length, 101.85mm width, and 26.11mm height, matching typical enterprise bays.

How can I verify the 256MB cache and 7200 RPM speed are active after installation?

Check the drive properties in your RAID controller BIOS or operating system utilities; they will report the 256MB cache size and 7200 RPM rotational speed.

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