WD 20TB Ultrastar HC555 7200 rpm SATA III 3.5" Data Center Drive

The 20TB Ultrastar HC555 7200 rpm SATA III 3.5" Data Center Drive from Western Digital delivers the performance, capacity, and reliability needed for data-intensive workloads in 24/7 data center environments. This 7200 rpm drive utilizes the SATA III 6 Gb/s interface for data transfer rates of up to 285 MB/s. Moreover, as a professional-grade drive, it has an MTBF rating of 2.5 million hours, 600,000 load/unload cycles, an annualized failure rate of 0.35%, and a workload rating of up to 550TB per year.