ST20000NM002C Seagate Exos X20 ST20000NM002C 20TB 7200RPM 256MB Cache SATA 6Gb/s 3.5-inch Internal Hard Drive
2.5 million hours MTBF, supporting a workload of 550TB per year Non-recoverable read error rate: no more than 1 error per 10^15 bits Ultra-low annual failure rate of 0.35%, ensuring stable 24x7 operation