SMPS (Switch Modular Power Supply) or Simply Call it as PSU (Power
Supply units) is not a critical component would be rather untrue.
Though selecting a PSU for a regular Home Office PC is not a critical
task as any regular power supply unit , it gets more tedious when you
are looking to Overclock a PC which involves using PSU Calculator and
skimming through a number of reviews to zero in on the one which you
would find to be perfect for your overclocked PC. However, you could
check for the following few things which should help you go for the
Brand: With a gigantic number of
Brands that are available even for this component, the Computer Builder
is Often confused as to what would yield him the best. Skimming through
the reviews for each of the brands atleast spending minimal hours could
Wattage and Amperage: Yes,
One of the most Critical factors to be considered when buying a PSU is
the Wattage and Amperage and to approximate the value that you would
actually need to process your desktop optimally and efficiently. A PSU
Calculator could help you in doing that. Based on your input which
includes your motherboard type, Processor, Graphic cards, PCI Cards,
Memory type, Harddrives, Optical Drives, Hard disk Drives and other
external devices, the Calculator would yield you the approximate
Wattage and Amperage required for your PC which you can take as the
base for your search. If you are not certain of any of the components,
just take a hint of the result that is suggested by the calculator and
not remain completely biased with it.
Power Efficiency: An SMPS has the maximum say in power consumption by a computer. So check for the most power efficient SMPS.
Rails: Be Sure to check for a proper rail structure. 12 V Rails is the highly recommended one.
afore mentioned criterions put together with your additional knowledge
could help you bag a good one for your system. It is not always
suggested that you go for the high end Power Supply Units always which
can be a burden on your pocket but if your PC Configuration demands a
high end, the burden is rather the worth than bearing it at a later
stage on a much higher scale.