Exos X20 20TB Scalable. Responsive. Innovative. Seagate Exos X hard drives help to enable some of the fastest data transfers possible. Designed to handle the most rigorous workloads with capacities up to 20TB, the Seagate Exos enterprise-class drives are perfect high-reliability solutions for private cloud, public cloud, and traditional IT. Whatever your applications, theres an Exos drive for it. Scalable Highest 20TB hard drive performance with enhanced caching, making it perfect for cloud data center and massive scale-out data center applications. Maximize rack storage with fewer drives per rack and slot overhead per petabyte. Responsive Get up to 285MB/s data transfer rates for quick and reliable migration of massive amounts of data. Digital environmental sensors to monitor internal drive conditions for optimal operation and performance. Innovative Next-generation helium side-sealing weld technology for added handling robustness and leak protection. PowerBalance and PowerChoice features optimize Watts/TB to lower TCO.