Western Digital 20TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD201KRYZ

Product Features

• Available in 1TB to 20TB capacities. | As used for storage capacity, 1GB = 1 billion bytes and 1TB = one trillion bytes. Actual user capacity may be less depending on operating environment.
• Designed to handle workloads up to 550TB per year | Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred X (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
• Vibration protection technology for improved performance
• HelioSeal technology delivers high capacities with a low power draw (12TB and above)
• Energy-assisted magnetic recording (EAMR) and triple-stage actuator (TSA) (in 16TB capacities and above)
• OptiNAND technology for 20TB capacity