Seagate ST32000444SS Enterprise SAS Hard Drive

Seagate ST32000444SS is an enterprise-class 2 TB 3.5-inch SAS hard drive in the Constellation ES family, designed for data-center workloads that demand steady throughput and reliability. It spins at 7200 RPM with a 6 Gb/s SAS interface and up to 64 MB of cache, and it supports 512, 520, and 528-byte sector formats; the model ST32000444SS is a non-self-encrypting drive (SED No). Seagate lists a mean time between failures (MTBF) of about 1.2 million hours and an annualized failure rate (AFR) of roughly 0.73%, with idle power around 7.3 W and typical operating power around 10.4 W read / 10.2 W write, and a maximum sustained transfer rate near 150 MB/s. Physical dimensions are 26.1 mm tall by 101.85 mm wide by 147 mm deep, corresponding to roughly 1.4–1.6 lb in weight depending on packaging.