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GTX 580 8 pin frustration.

post #1 of 31
Thread Starter 
Hi. I have a GTX 580 (obviously) and I only have one 6 pin power connector in the card. I bought it used and it only came with the card, but they seller is shipping everything else right now. However, I don't know how i'm going to use the card because I understand that the 8 pin power cord is powered by 2 6 pin power cords, and I only have one available 6 pin power connector from my PSU. I don't know what to do.


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post #2 of 31
What PSU are you using? It should have a 8 pin connector from it. You don't need to use 2 6 pin connectors for the 8 pin.
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post #3 of 31
If your power supply doesn't have another 8 pin pci-express connector, Then you need a molex 12 volt to 8 pin adapter. This allows you to plug in two 12 volt lines into it and you then have a full 8 pin connection powered by both of those 2 12 volt molex. They should be included in the stuff he sends you. If not they are around 8 bucks max. thanks

You can't take two 6 pin connectors and make a 8 pin connector out of it.
post #4 of 31
You might need a new power supply if it does not have an 8 pin power connector. And you're right, the 8-pin adapter (comes with the card by default) is powered by two 6 pins...

What is your current power supply?
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post #5 of 31
Thread Starter 
My PSU is a Cool Power Gamer Series 880W. I have a double ended 8 pin, but it's not stemming from my PSU so I have no place for it.
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post #6 of 31
I would suggest buying a new PSU. I looked it up and couldn't find any information on what the combined wattage is on the 12V rails.

http://www.geeks.com/details.asp?InvtId=CP-G880


If it looks cheap, feels cheap, then it's probably cheap.
post #7 of 31
Quote:
Originally Posted by AChubbySquirrel View Post

My PSU is a Cool Power Gamer Series 880W. I have a double ended 8 pin, but it's not stemming from my PSU so I have no place for it.


That plus is for a 8 pin cpu power plug. It will not fit the gpu because it is keyed different. Because they don't want someone trying to force it in a gpu plug and burning something up. Thanks

Edit: It could just be a 8 -pin cpu power extension plug for long computer cases. As some power supplies don't have a long enough cable. So you need this to reach the top of the case with.
post #8 of 31
Connectors:
One (1) 20-inch 20+4-pin ATX power connector
One (1) 20-inch 4+4-pin EPS/ATX power connector
Two (2) 6-pin PCI Express power connectors
Six (6) SATA power connectors
Six (6) large Molex 4-pin power connectors
Two (2) small floppy power connectors

Seems it doesn't have a 8 pin connector. You will have to either use a molex adapter like KILLER_K suggested or change your PSU.

Molex to 8 pin adapter.

eXwCS.jpg
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post #9 of 31
Ewwww... buy a new PSU... that thing is junk.

Buy a Corsair TX/HX/AX 650, or an Antec TPN/HCG/HCP 650, or many of the other actual GOOD units out there. If it offers over 500w for less than 100 bucks it's probably junk, so check it with our PSU gurus.
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post #10 of 31
Thread Starter 
I found another 6 pin adaptor. So i'll be good to go when the 2 6 pin to 8 pin arrives.
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