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My PSU is 450 with 2 12V 18A will it be good for gtx 650 ti

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August 8, 2013 8:50:17 AM

My PSU is 450 with two 12V rails at 18A will it work for gtx 650 ti that requires 400w 12v 38A ??

thank you
August 8, 2013 9:02:55 AM

Depending on the brand of the psu it may work, but it'll be a stretch. If you have a cheap brand of psu, I can tell you now it will not work well
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August 10, 2013 12:23:34 PM

sorry it seems you gave some incorrect info, the 650ti only need 20A and a min 400W psu

so if you have a 450W with 36A it should work.

sources:
http://www.geforce.com/hardware/desktop-gpus/geforce-gt...
http://forum-en.msi.com/faq/article/printer/power-requi...
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August 12, 2013 8:38:27 AM

biko1414 said:
oczdude8 said:
sorry it seems you gave some incorrect info, the 650ti only need 20A and a min 400W psu

so if you have a 450W with 36A it should work.

sources:
http://www.geforce.com/hardware/desktop-gpus/geforce-gt...
http://forum-en.msi.com/faq/article/printer/power-requi...


what is written on my ASUS GTX 650 TI OC box that it requires a minimum 12v and 38A. So i would like to know will it work if my power supply is a 36A

thank you



yes I will work. Most likely it is a typo, since a gtx 770 requires 42A.

your ASUS 650ti OC has a tdp of 140W which when divided by 12v, gives about 12A
but the 770 has a tdp of 230W which when divided by 12v, gives about 20A, therefore, since I know as a fact the 770 needs 42A, and the 650Ti requires 8A less then it, it should require 34A at MOST.

Also it doesn't make sense to recommend a 400W psu with 38A since NO 400W psu ever invented will have anywhere near 38A.

Yes it should work with your psu, but if you can I would upgrade your psu just so your not putting too much strain on your psu. Its never good to run your psu at near 100% capacity.

and If you don't believe me that it could be a typo on their box, and it in fact requires 38A, it will NOT work with your PSU since your psu can only deliver 36A.
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