what does the power supply do for the graphics card? isnt the power connected directly to the motherboard? what happens if a graphics card doesnt have enough power?
Why do graphics cards have minimum requirements for power supplys?
The newest video cards are small computers in their own right. Actually more powerful than some of the earliest desk tops. May of them require a direct connection to the power supply in order to work. The maker tries to guess the average power used by most installations, then add the power the video card will supply, hence, the minimum power requirement for the power supply.
Reply:Well, each part in the computer needs power (of course) so the GPU (Graphic Processing Unit) isn't the only one that needs to be powered. Some graphics cards can take more power than the entire system. It is just to give your PSU (power supply unit) some extra working room so that it doesn't fry or something else. That is why the manufacturers have a minimum PSU wattage listed. Some low watt PSU can handle it but it might be a little louder and get hotter. Just check the wattage for your GPU.
Reply:Generaly, Graphic cards now usually comes with powerful cooling fans, which keeps the cards cool, since graphic demands are high nowdays, But you can still use the card even if you don't have enough power to run the fan, but note, it may cause serioous damage to your card!
Reply:Most modern Graphics cards no longer draw their power from the motherboard, as well... they require more power than the motherboard can provide! They typically have their own connection to the power supply.
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