Model numbers-WD8004VRYZ/WD8004FRYZ/WD8002FRYZ/WD80EFZX Patient HDD Failure Symptoms:UNC error reported when trying to access the data area (running logical scan) Data Recovery Solution for WD8004VRYZ WD8004FRYZ WD8002FRYZ WD80EFZX UNC Data Error HDD Data Recovery There’re many WD Hitachi helium hard drives of 8T,10T,12T,16T,etc. Users can connect these patient drives to desktop .