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Urgent!!! Need help determining Power supply

Forum Graphic & Displays : Graphics Cards - Urgent!!! Need help determining Power supply

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kuffers26   05-25-2009 at 08:39:39 AM

Trying to buy 9800gtx+ off newegg wanting to know if my 500 watt power supply is strong enough to run this card my power supply is xion the 12v 18amps in first 2nd spot 12v 20amps time running out on getting card buying the EVGA 512-P3-N871-AR GeForce 9800 GTX+ 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP return policy is limited so dont want to buy wrong card and cant return
thanks

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4745454b   05-25-2009 at 08:52:07 AM
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Which PSU EXACTLY do you have. Not all 500W are the same, and you can't simply add the 18 and 20A figures together. There should be a 12v1 and 12v2 total output listed somewhere on the casing.

------------------------------ The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
 Reply to 4745454b
kuffers26   05-25-2009 at 08:58:39 AM
- 0 +

the 12v1 was 18a 12v2 20a 500 watt xion power supply called evga they said it should be enough to run it

Reply to kuffers26
4745454b   05-25-2009 at 09:39:20 AM
- 0 +

Quote :

you can't simply add the 18 and 20A figures together.



Seeing as I don't have a model number, I went online and did some digging. I did find this PSU that matches the 18 and 20A figure you quoted.

http://www.newegg.com/Product/Prod [...] 6817190011

If you click on the picture that has the information on it, you will see that the 12v1 and the 12v2 rails aren't to exceed 360W Doing the math (360W / 12V) the total amperage available to you is not 38A, but 30A. This should be enough to run most cards, I'd avoid the dual GPU cards like the 4870x2 and the GTX295.

Here is a review of the larger 700W PSU from the same series. Not the best. Seeing as Newegg lists it as a deactivated product, I'm guessing yours has been around for awhile. You might want to at the very least get some software readings on it before you upgrade. You wouldn't want to put in a 4870/GTX260 only to have the PSU blow.

http://www.jonnyguru.com/modules.p [...] y&reid=109

Message quoted 1 times
------------------------------ The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
 Reply to 4745454b
kuffers26   05-25-2009 at 09:53:04 AM
- 0 +

4745454b wrote :

Quote :

you can't simply add the 18 and 20A figures together.



Seeing as I don't have a model number, I went online and did some digging. I did find this PSU that matches the 18 and 20A figure you quoted.

http://www.newegg.com/Product/Prod [...] 6817190011

If you click on the picture that has the information on it, you will see that the 12v1 and the 12v2 rails aren't to exceed 360W Doing the math (360W / 12V) the total amperage available to you is not 38A, but 30A. This should be enough to run most cards, I'd avoid the dual GPU cards like the 4870x2 and the GTX295.

Here is a review of the larger 700W PSU from the same series. Not the best. Seeing as Newegg lists it as a deactivated product, I'm guessing yours has been around for awhile. You might want to at the very least get some software readings on it before you upgrade. You wouldn't want to put in a 4870/GTX260 only to have the PSU blow.

http://www.jonnyguru.com/modules.p [...] y&reid=109


Hey thanks for the help that is my power supply and got confirmation that it should run it ordered my card earlier

Reply to kuffers26
HundredIslandsBoy   05-25-2009 at 10:36:14 AM
- 0 +

Don't buy the recertified EVGA 9800 GTX+ !! My recertified EVGA 8800 GTS 512 dies a month after the 90 day warranty. $125 totally wasted!

Get an XFX card with a lifetime warranty.

Reply to HundredIslandsBoy
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