Ultrastar® DC HC550 16TB WUH721816AL5204 Features: 18/16TB capacity in a standard 3.5-inch form factor CMR technology works seamlessly in capacity enterprise applications and environments Reliable, field-proven, 6th generation design Industry’s first Triple Stage Actuator HelioSeal® design delivers outstanding power efficiency 2.5M hours MTBF rating and 5-year limited warranty Self-Encrypting Drive options Specifications: Interface SAS 12Gb/s Capacity 16TB Data buffer (MB) 512 Rotational speed (RPM) 7200 Latency average (ms) 4.16 Interface transfer rate (MB/s, max) 1200 Sustained transfer rate (MiB/s, typical) / (MB/s, typical) 262 / 250 Load/Unload cycles (at 40°C) 600,000 Availability (hrs/day x days/wk) 24x7 MTBF (M hours) 2.5 Annualized Failure Rate6 (AFR) 0.35% Limited warranty (yrs) 5 Ambient temperature 5° to 60°C Shock (half-sine wave, 2ms, G) 70 Vibration (G RMS, 5 to 500Hz) 0.67 (XYZ)