cherry20 :
When it comes down to compatibility, is form factor and the output of my power supply the only things I should care about?
-Power output needed: Calculate the total wattage needed for your system.
-Reliability: Reliable brands use quality components that deliver stable power and have a lower fail rate.
-Efficiency: Usually higher efficiency power supplies have a better build quality and energy saving.
-Manufacturer: The is a bunch of PSU manufacturers but not all of them produce quality units.