Running 6-pin GPU on a 4-pin molex - high GPU temperature

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smajatz

smajatz

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Mar 27, 2013
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Hi, I just recently replaced my PCU, it is a cheap temporary solution, and it didn't have the 6-pin connector for my GeForce 9800GT, so I had to buy a 4-pin molex to 6-pin converter.

It is one of those 2x 3-pin molex (one pin missing in each molex) converter. Now my GPU temperature is higher than usual. It is cycling between 65-73°C. Could it be because of the PCU, or the connectors? Could I have connected something wrong?
 
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Deleted member 362816

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I have never been a fan of using molex. is there a possibility that the card is not getting enough power to run the fan at higher speeds?
 
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smajatz

smajatz

Honorable
Mar 27, 2013
26
1
10,530
Well, your guess is as good as mine. But the new PCU has more power than the old one, so I don't think that is the issue.

I think it is a combination of many things, as the fan is of lower quality as well and is due for replacement, PCU is not that high in quality as well, as I said - it is only temporary. But if the high temps will destroy my GPU, then it's not that good of a solution at all.

But I've never used molex to 6 pin, so I'm just wondering if that might be the issue. Especially since GPU temp was just fine half an hour ago.
 
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smajatz

smajatz

Honorable
Mar 27, 2013
26
1
10,530


Yeah, I think I'm in the safe for now as I've seen that a lot of users have high temps on 9800 GT. But I'm still curious to what caused the increase.
 
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