660ti with 2 6pin adaptors from psu


I want to know if anyone has had any luck with using a 2 molex to 6 pin adapter to run a power hungry gpu (660ti in my case)

I have a good 750W psu but it only has 1 6pin and 1 8pin which is not enough, since I want to add an extra 660ti in sli, (strangely enough, it is sli certified....)

Would it be okay to use 2x molex to 6 pin adapters like this:

From what I know, a 6 pin connector has 3 12v lines an 2 grounds, while using a 2 molex adapter will only yield 2 12v lines an 4 grounds to my gpu.

Would this be okay? I have about 4 molex connectors free from my psu, so each 6pin would get 2 dedicated molex connections.

Anyone know what gauge the cables usually are and what they are rated for?
10 answers Last reply Best Answer
More about 660ti 6pin adaptors psu
  1. Aren't the 8 pins actually 6+2 pins ? Just leave the last 2 dangling if so.
  2. JackNaylorPE said:
    Aren't the 8 pins actually 6+2 pins ? Just leave the last 2 dangling if so.

    well not my my case, but the psu came with an 8pin to 6pin which is currently in use by my 660ti. I need more connectors since I am adding a SECOND 660ti
  3. What PSU do you have?

    Most decent 750w have at least 4 PCIE connections.
  4. I bought this about 4-5 years go

    its discontinued now ofcourse
  5. Ok , it's a decent PSU.
  6. Should work , its a decent unit , with reliable power.
  7. SR-71 Blackbird said:
    Ok , it's a decent PSU.

    I know that, I just want to know if there are any issues with using 2 adapters to run a gpu. Will 2 molex connectors be able to provide enough power without melting?
  8. Best answer
    Yes it should be able to power it thru molex.
  9. ok cool thanks
  10. Your welcome!
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