We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver 3.5-inch bare hard drive with exposed circuit board

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

  • Total capacity14 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 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.

How it compares

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

Price $296.99
Pricier than about 82% 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 $21.21 per TB
Cheaper than about 92% of the 2,365 comparable items (median $62.21 per TB).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSeagate
Product lineExos X14
Model nameST14000NM0018
Total capacity14 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Flash memory typeSLC
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.85 mm
Maximum length147 mm
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.

More in 3.5-Inch Internal Desktop HDDs

Similar items