Seagate manufactures hard drives that specifically address the demand for hyperscale cloud scalability. As the flagship of the Seagate X class, the Exos X18 enterprise hard drives are the highest-capacity hard drives in the fleet. Scalable. Responsive. Innovative Market-leading HDD offering the highest capacity available for more petabytes per rack. Highly reliable performance with enhanced caching, making it the logical choice for cloud data center and massive scale-out data center applications PowerBalance feature optimizes Watts/TB Maximize total cost of ownership savings through lower power and weight with helium sealed-drive design Proven helium side-sealing weld technology for added handling robustness and leak protection Digital environmental sensors to monitor internal drive conditions for optimal operation and performance Best-Fit Applications Scalable hyperscale applications/cloud data centers Massive scale-out data centers Big data applications High-capacity density RAID storage Mainstream enterprise external storage arrays Distributed file systems, including Hadoop and Ceph Enterprise backup and restore D2D, virtual tape Centralized surveillance