My NVIDIA based graphics card has an 8 pin power plug, but my power supply has 6 pin power plugs. Is it OK to use a 6 pin to 8 pin power adapter?

Answer ID 2198
Published 06/04/2008 07:38 AM
Updated 04/15/2010 08:55 AM
My NVIDIA based graphics card has an 8-pin power plug, but my power supply has 6-pin power plugs. Is it OK to use a 6-pin to 8-pin power adapter?

There are 2 types of 6-pin to 8-pin power adapters.

 

One type converts from two 6-pin plugs to a single 8-pin plug. These adapters could damage your computer and should not be used under any circumstances.

 

The second type converts a single 6-pin plug to a single 8-pin plug. NVIDIA also advises against its use since many power supplies will not provide sufficient current over the 6-pin power cable. However, this type of adaptor could potentially support normal operation as long as the customer checks their PSU manuals and ensures that its 6-pin PCI-E rails can handle the same current rating as an 8-pin power cable, which is 150 watts.

 

The recommended solution is to use a power supply with native 8-pin power cables.

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