Quote Originally Posted by pjfossee View Post
Thanks for the quick reply. Yes it was just the fan causing the voltage drop and I was using a multimeter to measure across terminals. I got a new ATX PSU from a friend that has a max amp output of 49 amps on the 12V rail. Do you think that'll be enough for the 12" i3v heated bed and other electronics? Based off the numbers it seems like enough to me. It's and EVGA PSU. Thanks.
Max amp output is often misleading. What's the constant current rating? But I have read the 12" requires 30A max and that sounds plenty. Annoying your LED supply failed.