. 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 Key Product Info. Hyperscale SATA model tuned for large data transfers & low latency Power Balance feature optimizes Watts/TBHelium sealed-drive design delivers lower total cost of ownership through lower power & weight Helium side-sealing weld technology for added handling robustness & leak protection Digital environmental sensors to monitor internal drive conditions for optimal operation & performance Seagate Secure features for safe fast & easy drive retirement