The Seagate ST20000NM002D is a 20TB enterprise-class hard drive designed for high-capacity, high-reliability storage environments such as data centers and cloud infrastructure. It features a 3.5-inch form factor with a 7200 RPM spindle speed, delivering a sustained transfer rate of up to 285 MB/s and equipped with 256MB cache to boost performance. This helium-sealed drive optimizes power efficiency with an idle power draw around 5.8 watts and boasts an impressive mean time between failures (MTBF) of 2.5 million hours, ensuring long-term durability and reliability. Using a 12 Gb/s SAS interface, it supports high-throughput and low-latency data access, making it ideal for demanding workloads that require both large capacity and stable performance.