How to know the service life of hard disk?

There are two kinds of hard disks on the market: mechanical hard disks and solid-state hard disks. Theoretically, the service life of mechanical hard disk is about 30000 hours.

But it is the service life of the mechanical hard disk under the condition of uninterrupted operation. The service life of our normal mechanical hard disk is about 5- 10 years.

Under normal circumstances, as long as there is no physical bad track on the mechanical hard disk, it can accompany the computer for life.