Post
Topic
Board Mining (Altcoins)
Re: Swedish ASIC miner company kncminer.com
by
DeathAndTaxes
on 11/11/2013, 05:48:45 UTC
Of CoolerMaster V850, barely @120V by virtue of higher efficiency than the corsairs (but still only rated to 840W on +12V).  But the Jupiter's were pulling 950-ish at the wall at release up through .95 firmware being released.  The Corsair HX850's that some people were buying were definitely out-of-spec at that wattage due to a smaller actual +12V rail wattage than the overall PSU (again 840W) and slightly lower efficiency.

EFFICIENCY DOESN'T CHANGE THE DC LOAD.  IT ONLY CHANGES HOW MUCH MORE POWER IS USED ON AC SIDE.

AC LOAD = DC LOAD / EFFICIENCY. 
SO LOWER EFFCIENCY = HIGHER AC LOAD FOR THE SAME DC LOAD.
SO AN 800W DC LOAD is ALWAYS GOING TO BE 800W DC. POWER SUPPLIES ARE RATED BASED ON THE DC LOAD.