I suppose that 24/7 block writing is actually hard on an SSD. Hmmmm.... It might still be worth it for me to use an SSD for non-speed reasons, though.
it's not that bad unless you're re-syncing from scratch all the time, a node isn't going to do 24/7 block writing, it's the initial sync that's heavy in writing, and after that there's a new block approximately every 10 minutes which is pretty much negligible in write traffic compared to normal computer usage