Issue Some drives in the model table below with power-on hours (POH) over 3 years are susceptible to excessive medium errors and may report a SMART TRIP (1/5d/90). The following table lists the part n...Issue Some drives in the model table below with power-on hours (POH) over 3 years are susceptible to excessive medium errors and may report a SMART TRIP (1/5d/90). The following table lists the part numbers and identification strings of the affected drives: E-Series Drive Models Part Number Model Number Capacity New Firmware ----------------------------------------------------------- E-X4146A WUH721818AL5204 18TB NE04 E-X4147A WUH721818AL5204 18TB NE04