Western Digital Ultrastar 18TB DC HC550 Hard Drive - 3.5" Internal - SATA

The first HDD in the industry to harness Energy-Assisted Magnetic Recording (EAMR) technology improves writability and therefore increases areal density.
The industry's first Triple Stage Actuator (TSA) enhances head-positioning accuracy, delivering better performance and increased areal density.
HelioSeal technology is the foundation for Western Digital's high capacity HDDs and this is the 6th generation of HelioSeal product. Western Digital has shipped >65 million HelioSeal products to date.
CMR technology works with all capacity enterprise applications & environments
Unsurpassed reliability rating for Capacity Enterprise HDD for fewer failures/less service needs

Hello,