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Seagate Exos X16 12TB 3.5 inch SATA hard drive bare silver casing

Seagate

Seagate Exos X16 12TB 7200 RPM SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-783F-WST62

A 12 TB, 7200 RPM SATA enterprise drive with helium sealing and a 2.5M-hour MTBF rating for high-capacity storage arrays

  • Total capacity12 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Recommended useFor Enterprise Storage
  • 12TB capacity stores massive datasets in a single 3.5" bay
  • 7200 RPM spindle delivers sustained throughput for enterprise workloads
  • SATA 6.0Gb/s interface integrates directly with standard server backplanes
  • Helium-sealed design reduces power draw and weight for lower TCO
  • 5M-hour MTBF rating backs continuous operation in RAID arrays

Enterprise Storage Drive

This 12 TB hard drive uses a SATA 6.0 Gb/s interface and spins at 7200 RPM in a 3.5 inch form factor. The helium-sealed design reduces power draw and weight while supporting a 2.5 million hour MTBF rating. Digital environmental sensors monitor internal conditions for consistent operation. It ships in 512e format with Fast Format capability for 4Kn sector size selection.

Hyperscale And RAID Arrays

The drive targets hyperscale applications, cloud data centres, massive scale-out deployments and big data workloads. It also fits high-capacity density RAID storage, mainstream enterprise external storage arrays and distributed file systems such as Hadoop and Ceph. Enterprise backup, restore and centralised surveillance are further suited uses. Builders needing a portable external drive or a laptop-compatible 2.5 inch form factor should consider other options.

SATA 6.0 Gb/s Interface

The SATA 6.0 Gb/s interface is the single specification that determines compatibility with the host system. The drive connects via standard SATA data and power cables inside a desktop or server chassis. No other interface or protocol is supported by this model.

How it compares

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

Price $237.99
Pricier than about 75% of the 4,938 comparable items (median $107.99).
Total capacity 12 TB
Higher than about 90% of the 2,372 comparable items (median 2 TB).
Price per TB $19.83 per TB
Cheaper than about 92% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineExos X16
Total capacity12 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Will the helium seal on this Exos X16 need any service or top-up over its life?

The helium is permanently sealed inside the drive at the factory; no maintenance or refill is possible or required during normal operation.

What is the first limit reached when the ST12000NM001G runs sustained workloads at 7200 RPM?

The SATA 6.0Gb/s interface caps sustained transfer rates before the internal media or spindle speed becomes the bottleneck.

How much heat and noise does the 12TB helium-filled drive produce during all-day operation?

Helium sealing lowers drag and weight, reducing power draw and heat output compared with air-filled drives; digital environmental sensors monitor internal conditions for optimal operation.

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