How do I connect power to a NVIDIA GTX 1070 Founders Edition in a 2009 Mac Pro?

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I am installing an NVIDIA GTX 1070 in a 2009 Mac Pro. I have seen all kinds of cables selling on Amazon and eBay to power GPUs in a Mac Pro so I want to make sure I get the right one.



Looking at the NVIDIA GTX 1070 manual, it looks like I will need an 8 pin connector on the graphics card side:



enter image description here



But there are cables that have this 8 pin connector with either one or two 6 pin connectors that will connect to the Mac Pro main board.



The cable I ended up ordering has 2 x 6 pins and 1 x 8 pin connectors:



https://www.amazon.com/gp/product/B0749DQ3VX



Will this cable properly power the GPU and should I connect both 6 pin connectors?






hardware mac-pro gpu







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    up vote
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    down vote

    favorite












    I am installing an NVIDIA GTX 1070 in a 2009 Mac Pro. I have seen all kinds of cables selling on Amazon and eBay to power GPUs in a Mac Pro so I want to make sure I get the right one.



    Looking at the NVIDIA GTX 1070 manual, it looks like I will need an 8 pin connector on the graphics card side:



    enter image description here



    But there are cables that have this 8 pin connector with either one or two 6 pin connectors that will connect to the Mac Pro main board.



    The cable I ended up ordering has 2 x 6 pins and 1 x 8 pin connectors:



    https://www.amazon.com/gp/product/B0749DQ3VX



    Will this cable properly power the GPU and should I connect both 6 pin connectors?






    hardware mac-pro gpu







    share|improve this question

























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      I am installing an NVIDIA GTX 1070 in a 2009 Mac Pro. I have seen all kinds of cables selling on Amazon and eBay to power GPUs in a Mac Pro so I want to make sure I get the right one.



      Looking at the NVIDIA GTX 1070 manual, it looks like I will need an 8 pin connector on the graphics card side:



      enter image description here



      But there are cables that have this 8 pin connector with either one or two 6 pin connectors that will connect to the Mac Pro main board.



      The cable I ended up ordering has 2 x 6 pins and 1 x 8 pin connectors:



      https://www.amazon.com/gp/product/B0749DQ3VX



      Will this cable properly power the GPU and should I connect both 6 pin connectors?






      hardware mac-pro gpu







      share|improve this question















      I am installing an NVIDIA GTX 1070 in a 2009 Mac Pro. I have seen all kinds of cables selling on Amazon and eBay to power GPUs in a Mac Pro so I want to make sure I get the right one.



      Looking at the NVIDIA GTX 1070 manual, it looks like I will need an 8 pin connector on the graphics card side:



      enter image description here



      But there are cables that have this 8 pin connector with either one or two 6 pin connectors that will connect to the Mac Pro main board.



      The cable I ended up ordering has 2 x 6 pins and 1 x 8 pin connectors:



      https://www.amazon.com/gp/product/B0749DQ3VX



      Will this cable properly power the GPU and should I connect both 6 pin connectors?






      hardware mac-pro gpu




      hardware mac-pro gpu






      share|improve this question















      share|improve this question













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      edited 32 mins ago

























      asked 1 hour ago









      Swisher Sweet

      1,94442645




      1,94442645




















          1 Answer
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          You will need a Y cable with 2 female 6 pin at one end and 1 male 8 pin on the other end.



          You will have to connect both 6 pin ends to the motherboard. 1 6 pin will not provide enough power. Only both 6 pin ends will be able to provide the power your GPU needs under full stress.






          share|improve this answer




















          • Thanks for the answer. The cable you describe sounds like the one I ordered.
            – Swisher Sweet
            33 mins ago










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          oldest

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          up vote
          3
          down vote













          You will need a Y cable with 2 female 6 pin at one end and 1 male 8 pin on the other end.



          You will have to connect both 6 pin ends to the motherboard. 1 6 pin will not provide enough power. Only both 6 pin ends will be able to provide the power your GPU needs under full stress.






          share|improve this answer




















          • Thanks for the answer. The cable you describe sounds like the one I ordered.
            – Swisher Sweet
            33 mins ago














          up vote
          3
          down vote













          You will need a Y cable with 2 female 6 pin at one end and 1 male 8 pin on the other end.



          You will have to connect both 6 pin ends to the motherboard. 1 6 pin will not provide enough power. Only both 6 pin ends will be able to provide the power your GPU needs under full stress.






          share|improve this answer




















          • Thanks for the answer. The cable you describe sounds like the one I ordered.
            – Swisher Sweet
            33 mins ago












          up vote
          3
          down vote










          up vote
          3
          down vote









          You will need a Y cable with 2 female 6 pin at one end and 1 male 8 pin on the other end.



          You will have to connect both 6 pin ends to the motherboard. 1 6 pin will not provide enough power. Only both 6 pin ends will be able to provide the power your GPU needs under full stress.






          share|improve this answer












          You will need a Y cable with 2 female 6 pin at one end and 1 male 8 pin on the other end.



          You will have to connect both 6 pin ends to the motherboard. 1 6 pin will not provide enough power. Only both 6 pin ends will be able to provide the power your GPU needs under full stress.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 52 mins ago









          SEJU

          43649




          43649











          • Thanks for the answer. The cable you describe sounds like the one I ordered.
            – Swisher Sweet
            33 mins ago
















          • Thanks for the answer. The cable you describe sounds like the one I ordered.
            – Swisher Sweet
            33 mins ago















          Thanks for the answer. The cable you describe sounds like the one I ordered.
          – Swisher Sweet
          33 mins ago




          Thanks for the answer. The cable you describe sounds like the one I ordered.
          – Swisher Sweet
          33 mins ago

















           

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