Monday, April 23, 2012

How to know if your power supply can run a good video card?

e.g of that is i saw a video card with these Requirements (450W PCI Express-compliant system power supply with a combined 12V current rating of 24A ).

ok what should i look for on the power supply that would indicate that it has the Requirements that is at the top.|||Well you want the power supply to generate 450 Watts of energy, You want the combined Amperage of all the rails to equal 24 Amps. Just go to or go to computer power supplies and select 450 watt on the left side of the screen, then just look for one with a combined rating of 24 Amps.

It will probably read in specifications like this

12V 1 (12A) "A" is for Amps

12V 2 (12A)

5V 1 etc <--- ignore this

the second set of numbers may be different but you really want them to add up to 24. Amperage is just as important as wattage when it comes to running a video card.

Not many 450 watt power supplies come with 2 rails so it may just look like this

12V 24A ("A" is for Amps)

I hope that helps!

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