I have had a mix of drives on many Ubuntu Linux desktops and Raspberry
Pi over the last 15 to 20 years.

In all that time I think I have had two disk drives (both spinning
ones) fail.

Disk drives are *amazingly* robust and reliable.  For example my first
serious backup NAS was a WD 'my book' with two 1Tb drives, this ran
continuously as my backup system with daily backups sent to it for six
or seven years.  I only retired it because the disks filled up.  I
recently booted it to try and find some old files of my daughter's, it
booted fine (and I found the files, more than ten years old).

I have a Lenovo laptop which is SSD based and I've steadily migrated
my desktop system to being SSD based.  They're all carefully backed up
so if the SSDs die I'll be OK but so far I've not had any SSDs fail,
some must be quite a few years old now.

The current backup system is a Pi with an external, spinning, 8Tb
drive. This isn't very old yet so I've no data.

--
Chris Green
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