Conquer tough workloads with enterprise-grade WD Gold HDDs. Available in 1TB to 18TB capacities Enhanced reliability with up to 2.5M hours MTBF Specifically designed for use in enterprise-grade data centers and storage systems Improve performance with our vibration protection technology HelioSeal technology delivers high capacities with a low power draw [12TB and above] Energy Assisted Magnetic Recording (EAMR) and Triple State Actuator (TSA) (in 16TB capacities and above)