The Seagate ST20000NM007D is a 20TB enterprise-class SATA hard drive from the Exos X20 series, featuring a 3.5-inch form factor, 7200 RPM, 256MB cache, and a 6Gb/s interface with up to 285MB/s sustained transfer rate. Its helium-sealed design lowers power consumption and improves durability, while advanced caching and PowerBalance technology optimize watts per terabyte for reduced total cost of ownership. Seagate Secure features protect data-at-rest, making it well suited for hyperscale cloud, scale-out architectures, and enterprise storage environments. With a 2.5 million-hour MTBF, it delivers high-capacity, reliable storage for demanding workloads.