Customize your businesss storage mix to fit your specific needs with a full portfolio of enterprise-class WD Gold™ HDDs in capacities of 1TB to 22TB1 , with OptiNAND™ technology in 20TB and 22TB. These highly reliable solutions for demanding storage environments provide up to 2.5M hours MTBF3 , vibration protection technology, and a low power draw thanks to HelioSeal technology (for 12TB and above) Specifically designed for use in enterprise-class data centres and storage systems, WD Gold SATA HDDs deliver the world-class performance you expect from Western Digital hard drives.