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Silver 3.5 inch hard drive bare drive SATA enterprise storage

Seagate

Seagate Exos X16 12TB 7200 RPM 256MB SATA 3.5" internal hard drive ST12000NM001G

SKU CH-2CAP-B9RKZ

12 TB enterprise hard drive with helium-sealed design, 7200 RPM, 256 MB cache and SATA 6.0 Gb/s interface for high-capacity storage

  • PackagingBARE DRIVE
  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache256MB
  • 12 TB capacity stores massive enterprise datasets
  • 7200 RPM spindle speed enables fast sequential access
  • 256 MB cache buffers bursts for smooth throughput
  • Helium-sealed design reduces power draw and weight
  • 5 million-hour MTBF rating backs long-term reliability

Seagate Exos X16 12TB Enterprise Drive

The Seagate Exos X16 is a 12TB 3.5 inch internal hard drive built for enterprise storage workloads. It spins at 7200 RPM with a 256MB cache and connects via a SATA 6.0Gb/s interface. The drive uses a helium sealed design to lower power consumption and weight.

Helium Sealing and Sector Format Support

The helium sealed-drive design reduces total cost of ownership through lower power draw and lighter weight. Next-generation side-sealing weld technology adds handling robustness and leak protection. Digital environmental sensors monitor internal conditions for optimal operation. The standard model ships in 512e format and supports both 512e and 4Kn logical sector sizes.

Suited for Hyperscale Archives Not for Boot Drives

This drive suits hyperscale environments needing large-capacity, low-latency bulk storage with a 2.5M-hour MTBF rating. Seagate Secure features enable fast, safe drive retirement. Builders wanting a primary OS boot drive or low-capacity desktop storage should consider smaller, faster alternatives.

Highlights

  • 12 TB capacity stores massive enterprise datasets
  • 7200 RPM spindle speed enables fast sequential access
  • 256 MB cache buffers bursts for smooth throughput
  • Helium-sealed design reduces power draw and weight
  • 5 million-hour MTBF rating backs long-term reliability

Specifications

Brandseagate
SeriesExos X16
ModelST12000NM001G
PackagingBARE DRIVE
InterfaceSATA 6.0Gb/s
Capacity12TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache256MB
Average Latency4.16ms
UsageFor Enterprise Storage
Form Factor3.5"

Questions about this item

Will the helium seal on this ST12000NM001G ever need service or replacement?

The helium sealed-drive design uses next-generation side-sealing weld technology for leak protection and is not user-serviceable; no maintenance of the seal is required.

What limit appears first when the 7200 RPM drive runs sustained workloads?

The 6.0 Gb/s SATA interface bandwidth caps sustained throughput before the 256 MB cache or 7200 RPM mechanics reach their ceiling.

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

Helium sealing lowers power draw and weight versus air-filled drives, and digital environmental sensors continuously monitor internal conditions for optimal operation.

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