Exos X20 "Designed with the highest rack-space efficiency and protected with Seagate Secure™ Exos X20 offers extreme market-leading capacity, earning customer confidence by delivering trusted peace of mind."Maximum Storage Capacity for Highest Rack Space EfficiencyMarket-leading 20 TB HDD offering the highest capacity available for more petabytes per rackHighly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applicationsHyperscale SATA model tuned for large data transfers and low latencyPowerBalance™ feature optimises Watts/TBMaximise total cost of ownership savings through lower power and weight with helium sealed-drive designProven helium side-sealing weld technology for added handling robustness and leak protectionDigital environmental sensors to monitor internal drive conditions for optimal operation and performanceData protection and security - Seagate Secure features for safe, affordable, fast and easy drive retirementProven enterprise-class reliability backed by 5-year limited warranty and 2.5M-hr MTBF rating