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Which way should I power by graphics card?
Ok, I just finished my first computer build. This is my graphics card:
http://www.newegg.com/Product/Product.aspx?Item=N8...
and this is my PSU:
http://www.newegg.com/Product/Product.aspx?Item=N8...
The PSU has a connector on it that says it's the "1 x PCI-E" power supplier. This is how I am currently connected and it runs fine.
However, the card came with a power adapter that fits in the same spot and combines two molex connectors. The fan doesn't seem to be running all that fast. Should I try swapping these pieces?
2 Answers
- Anonymous1 decade agoFavorite Answer
DO NOT SWAP THE PIECES.
The fan on the video card only spins as much as is needed. When the card starts to overheat it'll throttle up to 100%. Typically it runs at about 30% speed to keep it quiet.
The BEST way to power the video card is with the dedicated PCI-E connector from the power supply. It was designed for just that purpose and provides plenty of power. The 2 Molex connectors into a single PCI-E connector is a way to bypass that if you don't have the PCI-E power connector. This way is much worse as the molex power rails are much different and draw different amounts of current from the PSU (potentially causing a problem).
- 1 decade ago
if your PSU has a pci-e power connector that is best. the adaptor is for if your Psu doesnt have a pci-e power connector.the fan is probably speed controlled. it will spin faster when the card is under a load and running hotter.
