Simviation Forum - 6 pin power cable pci express

Dec 14^th, 2009 at 12:00pm

757200ba Offline
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Hello, this might be a crazy question, but here it goes.
When you connected this extension cables to give power to your pci express card, both ends have to be connected to the PSU or just one is enough?
I have seen some crazy way to connect this so that's why i ask.
Many Thanks Huh

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Reply #1 - Dec 14^th, 2009 at 12:28pm

NNNG Ex Member

Both need to be connected, otherwise they would of put one in the first place.

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Reply #2 - Dec 14^th, 2009 at 1:25pm

757200ba Offline
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Funny i always had my 7950gt oc connected with only one!!!!!!!!
Lips Sealed

SOOOOOO!!!! both of them need to be connected to 2 regular power connectors from the power supply!!!!???
Many thanks

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Reply #3 - Dec 15^th, 2009 at 4:38am

NNNG Ex Member

Some videocards only need one six pin connector, like the 7950GT. Other cards need two six pin connectors, or even one six pin AND one eight pin connector. If your videocard has two 6 pin plugs, then you will require two 6 pin connects in order to properly power the card. This is obvious because they wouldn't put an extra plug on the card just to confuse customers.

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Reply #4 - Dec 15^th, 2009 at 11:36am

olderndirt Offline
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Quote:

Both need to be connected, otherwise they would of put one in the first place.

Okay, must be dummy time 'cause here I am

. My PSU (Antec EA650) has (1) six pin PCIE, which is connected to the 8800GTS card, and there's a supplemental two pin which doesn't seem to belong anywhere. Am I missing something?

THIS IS NOT A PANAM CLIPPER

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Reply #5 - Dec 15^th, 2009 at 12:02pm

757200ba Offline
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Hey NNNG i guess you are not getting the picture, the plug im talking about is not on the card is this one:

http://www.cable-trader.co.uk/images/items/PCI%20Express%204%20pin%20to%206%20pi...

ofcourse if there was 2 plugs on the card they would need power.

Its an extension, in case your psu does not came with PCI EXP. plug
What i didnt knew is that both "white" connectors had to be pluged to the power.

"OLd"
Wel,l what is the "2 pin" you are talking about?
If you PSU has a plug name pci express thats the one you plug.
The one we are talking about is the one above

So explain that 2 pin situation Wink

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Reply #6 - Dec 15^th, 2009 at 1:36pm

NNNG Ex Member

In the picture there is an adapter plug. It takes two four pin molex connectors and converts that into one 6 pin PCI-E connector. If your power supply does not have an adequate amount amount of 6 pin PCI-E connectors, then you will be required to use the adapter. You should plug them both in. It might work with only one, but I wouldn't recommend it.

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Reply #7 - Dec 15^th, 2009 at 2:38pm

757200ba Offline
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Many thanks NNNG i really though you had only to plug one!!!
Cheesy

Once again Thank You for all your posts i learned a lot with you

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Reply #8 - Dec 16^th, 2009 at 6:20pm

olderndirt Offline
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757200ba wrote on Dec 15^th, 2009 at 12:02pm:

"OLd"
Wel,l what is the "2 pin" you are talking about?
If you PSU has a plug name pci express thats the one you plug.
The one we are talking about is the one above

So explain that 2 pin situation Wink

Wish I could. The PCIE wire bundle from the PSU is a total of eight wires. Six of them end in the 6-pin plug to the GPU. The remaining two end in a 2-pin plug which is currently not in use. There's no obvious place on the GPU for it so it looks like Google time. By the way, thanks for using the 'old' part of my user name - way better than the other part

.

THIS IS NOT A PANAM CLIPPER

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Reply #9 - Dec 17^th, 2009 at 12:05am

NNNG Ex Member

olderndirt wrote on Dec 16^th, 2009 at 6:20pm:

757200ba wrote on Dec 15^th, 2009 at 12:02pm:

"OLd"
Wel,l what is the "2 pin" you are talking about?
If you PSU has a plug name pci express thats the one you plug.
The one we are talking about is the one above

So explain that 2 pin situation Wink

Wish I could. The PCIE wire bundle from the PSU is a total of eight wires. Six of them end in the 6-pin plug to the GPU. The remaining two end in a 2-pin plug which is currently not in use. There's no obvious place on the GPU for it so it looks like Google time. By the way, thanks for using the 'old' part of my user name - way better than the other part

.

Some videocards like the Radeon 5970, need a 6 pin connector, as well as a 8 pin connector. Other videocards, like the 8800GT, need a single 6 pin connector.

Simply put, they split the 8 pin connector so it has 6+2pins, so it can be used on many different cards.

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