Up to 24TB (1) capacity | (1) 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment. Enterprise-class reliability and performance 5-year limited warranty (5) |See Official Western Digital website for warranty details 550TB per year workload rating (3) | Workload Rate is defined as the amount of user data transferred to/from the hard drive. Up to 2.5 million hours Mean Time Between Failure (MTBF)