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Seagate Exos X14 10TB 3.5 inch internal hard drive, bare silver aluminium casing with green circuit board visible on underside

Seagate

Seagate Exos X14 ST10000NM0478 10TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-E3KF-GKPES MPN ST10000NM0478

Enterprise 10 TB SATA hard drive with 7200 RPM, 256 MB cache and helium-sealed design for data-centre workloads

  • Total capacity10 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Mean latency4.16 ms
  • Enterprise capacity with 10TB storage
  • 7200 RPM speed for rapid data access
  • 256MB cache accelerates heavy workloads
  • Helium sealed design ensures long-term reliability
  • 5M-hour MTBF rating backs enterprise use

10 TB enterprise SATA drive

The Seagate Exos X14 ST10000NM0478 is a 10 TB 3.5 inch internal hard drive built for enterprise storage workloads. It spins at 7200 RPM with a 256 MB cache and connects via a SATA 6.0 Gb/s interface. A helium-sealed design and PowerBalance technology target low power draw and high reliability in data centre environments.

Suited for bulk storage arrays; not for boot speed

This drive suits administrators building high-capacity RAID or JBOD arrays where sustained throughput and 2.5 M-hour MTBF matter. It is not for users who need low-latency random access for operating-system boots or transaction-heavy databases; those workloads benefit from solid-state media instead.

SATA 6.0 Gb/s interface decides fit

The single specification that determines whether this is the right part is the SATA 6.0 Gb/s interface; the drive only works in bays and controllers that support that connection.

How it compares

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

Price $234.99
Pricier than about 74% of the 4,938 comparable items (median $107.99).
Total capacity 10 TB
Higher than about 85% of the 2,372 comparable items (median 2 TB).
Price per TB $23.50 per TB
Cheaper than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineExos X14
Model nameST10000NM0478
Total capacity10 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
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 weight0.91 kg
Package size178 × 152 × 76 mm

Questions about this item

What sustained throughput can I expect from the 10 TB capacity in a real system?

The drive delivers up to 6.0 Gb/s over the SATA link, with 7200 RPM and 256 MB cache supporting large sequential transfers typical of hyperscale workloads.

Does the SATA 6.0 Gb/s interface limit the 7200 RPM platters in practice?

The SATA 6.0 Gb/s interface caps the maximum burst rate; sustained throughput is governed by the 7200 RPM rotation and 256 MB cache, which together determine real-world IOPS per watt.

Will the 3.5 inch form factor fit my standard drive bay?

The drive measures 147.00 mm long, 101.85 mm wide and 26.11 mm high, matching the standard 3.5 inch bay dimensions for enterprise enclosures.

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