Seagate manufactures hard drives that specifically address the needs of the hyperscale storage market. As the flagship of the Seagate® X class, the Exos® X16 enterprise hard drives are the highest-capacity hard drives in the fleet.Maximum Storage Capacity for Highest Rack Space Efficiency Market-leading 18TB HDD offering the highest capacity available for more petabytesper rack Highly reliable performance with enhanced caching, making it the logical choice forcloud data center and massive scale-out data center applications Hyperscale SATA model tuned for large data transfers and low latency PowerBalance™ feature optimizes Watts/TB Maximize total cost of ownership savings through lower power and weight withhelium sealed-drive design Proven helium side-sealing weld technology for added handling robustness andleak protection Digital environmental sensors to monitor internal drive conditions for optimaloperation and performance Data protection and security- Seagate Secure™ features for safe, affordable, fast,and easy drive retirement Proven enterprise-class reliability backed by 5-year limited warranty and 2.5M-hrMTBF rating