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Power cables for GTX 780TI?

Tags:
  • Gtx
  • Cable
  • Power
  • Graphics
Last response: in Graphics & Displays
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April 26, 2014 8:27:58 AM

Hello everyone, I'm ordering custom sleeved cables and need some help ordering power cables for my GTX780TI Dual Classified Hydro copper. The 2 cables that come with the graphics card are both 8 pin to 2 x 6pin power cables. Could someone explain to me the differences between 8pin to 6pin, 8pin to 8pin, and 8pin to 12(6 x 2)pin PCIe cables? Thanks.

More about : power cables gtx 780ti

April 26, 2014 8:37:27 AM

6 pin to 8 pin and 2x6 pin to 8 pin are both cable adapters designed to work around power supplies not having the correct cables to power the graphics card. However whenever you find yourself needing these cables it's a sign that you need a better PSU as with all work arounds it's better to just solve the problem. So most people recommend not using them.

8 pin to 8 pin is just a straight up extension and is commonly used for cable sleeving as it can be put on the end of your PSU's existing 8 pin then plugged into the card. This way only the sleeved section is showing and thus makes the system look nicer.
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April 26, 2014 8:40:06 AM

Do they all work the same in terms of supplying power? The 8pin goes to GPU while the 6pin/12pin/8pin variables go to PSU right? So 8pin to 8pin is recommended over any other variation? What do you mean by extension? The cable sleeving cables don't replace the entire cable provided by the PSU? Thanks bud.
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April 26, 2014 8:43:58 AM

Your graphics card requires two 8-pin connectors to be plugged in to it. So the connectors that came with the graphics card are for those who doesn't have two 8-pin connectors with their PSU. Each 8-pin connector Y-cable requires two 6-pin connectors to be attached to it. So you need four 6-pin connectors to attach to the two Y-cables in order to power the card.

8-pin to 6-pin - that's for converting one 6-pin to a 8-pin (not enough power for your card)
8-pin to 8-pin - that's for extending an existing 8-pin connector of the PSU
8-pin to 12 (6x2) pin - just how I explained above
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April 26, 2014 8:46:17 AM

Bounti said:
Do they all work the same in terms of supplying power? The 8pin goes to GPU while the 6pin/12pin/8pin variables go to PSU right? So 8pin to 8pin is recommended over any other variation? What do you mean by extension? The cable sleeving cables don't replace the entire cable provided by the PSU? Thanks bud.


If you're ordering custom sleeved cables, that's probably for modular PSU, in that case it replaces the entire cable.
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April 26, 2014 8:51:57 AM

Thanks for the explanation, in that case I'll need to order 2 x 8pin to 12 pin PCIe cables?
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April 26, 2014 8:55:57 AM

Bounti said:
Thanks for the explanation, in that case I'll need to order 2 x 8pin to 12 pin PCIe cables?


Yes, if you don't already have two 8-pin connectors existing with the PSU but have four 6-pin connectors. :) 
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April 26, 2014 9:05:16 AM

I'm afraid I don't understand, 2 x 8pin connectors with PSU? I'm saying I'll need 2 x 8pin (GPU) to 12pin(2x6pin) PSU, right? Ty ;) 
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Best solution

April 26, 2014 9:43:37 AM

Bounti said:
I'm afraid I don't understand, 2 x 8pin connectors with PSU? I'm saying I'll need 2 x 8pin (GPU) to 12pin(2x6pin) PSU, right? Ty ;) 


Haha. Yes, you need two 8-pin to 12-pin connectors.
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April 26, 2014 9:46:48 AM

Nice! Thanks man.
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