Go for Gold with a WD Gold Enterprise Class SATA Hard Drive Conquer tough workloads with enterprise-class WD Gold HDDs. Available in 1TB to 20TB capacities, these highly reliable solutions for demanding storage environments provide up to 2.5M hours MTBF, vibration protection technology and a low power draw thanks to HelioSeal™ technology [for 12TB and above]. Specifically designed for use in enterprise-class data centers and storage systems, the WD Gold SATA HDDs deliver the world-class performance you expect from Western Digital hard drives. Beyond Expectations WD Gold hard drives are performance-optimized for heavy application workloads and are designed to handle workloads up to 550TB per year. Whether you need 1TB or 20TB, the wide capacity range of WD Gold HDDs solves for the most demanding storage environments. Enhanced Reliability With up to 2.5M hours MTBF, WD Gold hard drives deliver enhanced levels of dependability and durability. Reimagining the HDD WD Gold offers 20TB on a 9 disk CMR drive with reimagined HDDs utilizing the first implementation of OptiNAND™ technology's capacity-enabling features.​ Vibration Protection WD Gold has sophisticated monitoring electronics that help correct linear and rotational vibrations in real time using enhanced vibration protection technology for improved performance in high-vibration environments. Play Well with Others Broadly compatible with most PC and major enterprise operating systems. Specifically designed for use in enterprise-grade data centers and storage systems. Leading the Way Energy-assisted magnetic recording (EAMR) technology enables higher media precision and increases areal density. The triple-stage actuator (TSA) enhances the accuracy of head-positioning and delivers better performance and data integrity to also increase areal density. Both EAMR and TSA are available only in 16TB capacities and above.