Seagate Enterprise 3.5" 18000 GB 7200 RPM 18 TB 3.5" 7200 RPM SATA ST18000NM00J

Overview

A spinning mechanical disk at a fast rotational speed and a cache buffer let this enterprise drive handle large transfers over a SATA link. It installs internally in a desktop or rack, and Seagate Secure technology is named in the description.

Choose it for bulk capacity per bay in a desktop build or storage rack, where sequential transfers matter more than silence or shock resistance. The limit is a messy listing: the model name reads as one product family and the description as another, the transfer rate field disagrees with the interface, and the portable and leather fields are clearly wrong.

Who it's for

A builder filling a desktop or storage rack with bulk capacity will use the enterprise class design and the large cache. Buyers wanting a portable drive, quiet operation stated in the listing or fast random access should look elsewhere.

Pros and cons

Performance notes

A mechanical drive reads data from spinning disks, so large sequential transfers run well while small random reads are slower. The rotational speed and cache buffer decide how quickly the heads reach data and how well bursts are absorbed. Real throughput also depends on the SATA controller and on the file mix.

Specifications