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SSD often die a "sudden death" with no warning-signs.
But technology in this area is evolving so fast, it would be almost silly to base any advice on historic performance.

Simply untrue, except for maybe crummy SSDs from no-name manufacturers.

Today's consumer SSDs from the fabs (Intel, Samsung, Toshiba for example) have an annualized failure rate (AFR) of around 1/10 of 1%. Yes, 0.1%. The annualized failure rate on HDDs is from 1% on up.

So while it is true that you should back everything up, if you have seen more failures with SSDs than with HDDs in your lifetime, you've been buying the wrong SSDs.
 
I've only bought one single SSD. It hasn't failed, yet. Neither has the HDD in the iMac I bought in 2008.
But the HDD in my mothers iMac failed last year - a 2007 model, IIRC, bought from the refurb-store.
I'm actually more worried about silent bit-rot.
 
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