Best ways to make silent backups

See 27-inch iMac Receives Significant Update, Other iMacs Get a Nod - #9 by ace

I’d be very worried about heat in such a situation.

Way too cheap—I can put fancy AirPods Pro earbuds in my ears if I want silicone in there. :-)

I decided to go for a Samsung T7 2TB drive for $345 (after tax). I just don’t have sufficient regular need for the things that don’t fit on my main boot drive to put up with a NAS or another Mac purely for quieting down the storage.