Take the 2-minute tour ×  I am using a Mac mini, 2012 model,
without a UPS. My assumption is that Apple has designed a
special adapter to rectify high voltage and low voltage. Is that
right? If I use my Mac mini without a UPS and the power surges
or is lost, will the hardware be affected by the high or low
voltage? Should I use a UPS?  share|improve this question Why
would you assume Apple designed some kind of special adapter?
And what do you mean by "low voltage"? Lower than normal input
voltage? –  David Schwartz Oct 2 '12 at 7:39 yes.. Lower than
normal input voltage and also high input –  Muthu Muthu Oct 2
'12 at 7:59  1 Answer 1  up vote 2 down vote accepted  The power
supply of the Mac mini supports a range of voltages (100-240V
AC), but surges or brown outs may still affect it.  As with any
computer, if your local electricity supply is reliable, you
don't need a UPS. If your local electricity supply is
unreliable, you will benefit from installing a UPS. In this
respect the Mac mini is no different fro