WILL MY GPU work???

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pspfanatic

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Dec 21, 2013
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Hi, I've just bought a 650 Ti and after buying, I saw it needs 20V at 20A. However, I looked at my power supply which is 500W by the way, and at 20V it says 17A. Will it still work, just maybe not to its full potential, or will it not work at all?

Thanks
 
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its 20amp on 12v, NOT 20v! there is no 20v rail in atx power supplies!
what brand is your power supply?

If its a cheap generic power supply i would not trust it, however if it is a good quality power supply it should work, as gpu manufactuers overestimate the wattage needed in case the user uses a cheap power supply
 
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I have seen many video cards require certain power supply sizes and then read that people are running the cards on smaller size power supplies. The minimum requirements on the cards specifications may be inflated to cover the manufacturers butt.
There is a good chance that the 650Ti will work for you. If not there are enough sales and rebate now that you can pick up a larger power supply pretty cheap.

Can you list your power supply brand and model ?
 
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I doubt that it will run a gtx650ti. its a very cheap brand and it probably delivers much less power. you can try it. when load would be applied, your pc would probably shut of or restart because not enough power would be supplied to the grapic card. its actually a bit dangerous to overdraw power from a cheap power supply
 
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"At 50 per cent load the PSU's rails were all within the ATX specification. However, at 75 per cent it managed just 4.62V on the 5V rail, which is outside the ATX specification, and at 100 per cent load it shut down straight away.

Casecom's ATX 500W is cheap and quiet, but it manages only 50 per cent of its claimed power output before its voltages wander.
"
 
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according to tests, your casecom psu bearly outputs over 60% of its advertised output. think that it will turn on, but as soon as 3d application starts or gpu will become unstable and probably shut down. it probably outputs around 10a on 12v rail
 
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a gold rated 500W psu can run a gtx titan and 3770k both oced without issues...don't worry too much about NVidia requirements..NVidia assumes you have lots of hdd and other pcie devices..
your 500W generic psu can run 650 ti without issues
 
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