Few comments..

355 - I have a couple of DDC+ but no 3.2s. None have ever died on me. They have worked fabulously. One of them literally fell off the table, hit the floor and my kid picked it up and tossed it to the other side of the room. It still worked.

655 - I have more than a few. Never been able to hear any of them. The vibration on a pad is very manageable, and without touching any of them, I wouldn't know that they are operating. I have no idea how anyone would call them noisy. I am heavily into audio gear and music performances. I can't even hear any of them with just my PSU running.