Just saw another Black Friday deal on Hard Disk Sentinel
https://www.hdsentinel.com (pop-up window)
$13.48 for a single lifetime license, $23.85 for a family pack (5 lifetime licenses). I can personally vouch that it is a true lifetime license, author keeps it up to date and adds enhancements, and answers questions quickly. Expires 23:59 1 Dec GMT. 2020
Monitors HDD/SDD temps and health with user set thresholds, alarms, and actions.
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