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Silver 3.5 inch enterprise hard drive with helium-sealed label

Seagate

Seagate Exos X16 16TB SAS 12Gb/s 3.5" internal hard drive ST16000NM002G

SKU CH-ETA3-QHTPX

A 16 TB enterprise hard drive with a SAS 12Gb/s interface, 7200 RPM speed and a helium-sealed design for server storage arrays

  • InterfaceSAS 12Gb/s
  • Capacity16TB
  • RPM7200 RPM
  • Cache256MB
  • UsageFor Enterprise Storage
  • Form Factor3.5"
  • Enterprise storage ready with 16 TB capacity and SAS 12 Gb/s interface
  • Helium-sealed design reduces friction for 7200 RPM reliability
  • Low idle power of 5.0 W cuts energy costs in data centres
  • Rated 2.5 million hours MTBF with 0.35 % AFR for long-term operation
  • 256 MB cache and 261 MB/s max read speed accelerate heavy workloads

Enterprise 16TB SAS drive

This Seagate Exos X16 is a 16TB helium-sealed 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 3.5-inch form factor fits standard server drive bays and supports hot-plug installation.

Suited for RAID arrays and bulk archives

IT teams managing high-capacity RAID sets, backup targets or video surveillance storage will benefit from the 2.5 million-hour MTBF and 550TB annual workload rating. Systems without a SAS controller or without server-class cooling cannot use this drive.

SAS 12Gb/s interface requirement

The drive communicates exclusively over a 12Gb/s SAS link, so the host controller must provide a compatible SAS port. Without that specific interface the drive will not function, regardless of available power or bay space.

Highlights

  • Enterprise storage ready with 16 TB capacity and SAS 12 Gb/s interface
  • Helium-sealed design reduces friction for 7200 RPM reliability
  • Low idle power of 5.0 W cuts energy costs in data centres
  • Rated 2.5 million hours MTBF with 0.35 % AFR for long-term operation
  • 256 MB cache and 261 MB/s max read speed accelerate heavy workloads

Specifications

InterfaceSAS 12Gb/s
Capacity16TB
RPM7200 RPM
Cache256MB
UsageFor Enterprise Storage
Form Factor3.5"

Questions about this item

Should I pick the 16TB helium model or a smaller air-filled drive?

The 16TB helium-sealed design lowers drag and power draw to 5.0 W idle and 10.2 W active while keeping 7200 RPM performance.

What does the 261 MB/s maximum read speed mean once the drive is in a server?

That is the peak sequential throughput; random workloads drop to 170 read IOPS and 440 write IOPS with 4.2 ms latency.

Will the SAS 12Gb/s interface run at full speed on my controller?

The SAS 12Gb/s link caps at 12 Gb/s, but actual throughput depends on the controller and backplane negotiation.

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