WesternDigital (WD) Green vs. Black

Two HDD, purchased same day about 2 years a go, working 24/7

First one WD Green

smartctl -A /dev/sdd | grep "Load_Cycle_Count"
193 Load_Cycle_Count        0x0032   001   001   000    Old_age   Always       -      4688621

Write: 27,7M/s Read: 54,5M/s

Second WD Black

smartctl -A /dev/sdb | grep "Load_Cycle_Count"
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       21

Write: 131,7M/s Read: 184,2M/s

On purchase day Green was faster than Black, today… you can see above…

Why I writing this? To warn you to not buy Green WD disks 😉