Anecdote: this one drive I have with more than 10 years power on: Model Family: Hitachi Travelstar 5K160 Device Model: Hitachi HTS541660J9AT00

Anecdote: this one drive I have with more than 10 years power on: Model Family: Hitachi Travelstar 5K160 Device Model: Hitachi HTS541660J9AT00 9 Power_On_Hours -O--C- 001 001 000 - 89479 10 Spin_Retry_Count PO--C- 100 100 060 - 0 12 Power_Cycle_Count -O--CK 100 100 000 - 112 191 G-Sense_Error_Rate -O-R-- 100 100 000 - 0 192 Power-Off_Retract_Count -O--CK 100 100 000 - 47 193 Load_Cycle_Count -O--C- 001 001 000 - 18380622 According to spec the "Service life of the drive is approximately 5 years or 20,000 power on hours" and "The product supports a minimum of 600,000 normal load/unloads"