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 FAQ
 Lifetimes of HDD and SSD


Lifetimes of the HDD unit and the SSD unit are as follows:


■ HDD

The lifetime of the HDD unit is whichever of the followings comes first:

● 5 years
● 20,000 operating hours
● 600,000 cycles of head loading/unloading

■ SSD

The expected lifetime of the SSD unit based on the number of writes can be calculated with the following formula.


Example:
The expected life time when writing 512 MB of data once per minute is approximately 6 years.
 
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