For the average surge yeah they'll do the job decently (if you've got a decent surge protector at least). Now if you're really paranoid, something like the APC Symmetra would the dream tool
Now Im wondering how silent supposedly silent fans are......
Welcome to my world I like a loud computer ... helps me stay awake or rather, (supposedly) makes it hard to sleep.
Most ive ever left a computer on is about 9-10 months i cant remember .... i turned it on and completely forgot about it LOL ... most i ever meant to leave it on is about 8 months give an take a week when i was in residence