ImI (OP)
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Activity: 1946
Merit: 1019
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April 09, 2013, 11:33:11 PM |
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Hi there,
i have got two 7950s and a CoolerMaster1200W PSU.
The 7950s have two 6-Pin entries and the leads from the PSU have 6-Pins and also another 6-Pin going out from those 6-Pin. (I hope its clear what i am trying to say.)
Do i have to put two single 6-Pin leads on every GPU or just one and use this extra 6-Pin for the other entry of the GPU?
Hope thats not to confusing, maybe i find a pic.
Greets
ImI
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dethdeks
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April 09, 2013, 11:35:04 PM |
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each card requires you have both 6 pins plugged in to the car
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KJaneway
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April 09, 2013, 11:37:49 PM |
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you need to connect 4 plugs to your cards. It doesn't matter which ones, as long as they are supposed to be connected to a PCIE GPU
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middlemarkal
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April 09, 2013, 11:39:43 PM |
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they (the 2* 6 pins) can come from any source, the same cable is ok, even 2 molex adapter, anyway 1200W is overkill.
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ar9
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April 09, 2013, 11:41:31 PM |
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You could probably fit about 5 or 6 7950s on a 1200W PSU (assuming you're running with a Silver/Gold/Plat rating).
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ImI (OP)
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Activity: 1946
Merit: 1019
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April 09, 2013, 11:46:29 PM |
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OK, so it doesnt matter when i use one cable for each GPU?? (Of course using both 6-Pin leads of that cable)
Yeah i know its an overkill. I am thinking of running 4x7950s.
5-6?? Really? I thought each 7950 needs 200W and 200W is as safety/mainboard etc. ?
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btcminer021
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Activity: 98
Merit: 10
Mine hard!
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April 10, 2013, 01:53:37 PM |
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Let me jump in and say I'm using three 7950s, each with 2x6 pin connectors, with an 850W Gold rated PSU. You're missing a few cards!
The cards should come with SATA or Molex to 6-pin PCIe converter cable, no?
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middlemarkal
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April 11, 2013, 10:46:20 PM |
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litecoin need more power because it uses memory, but bitcoin uses no memory so you need less power. IMO you never have to much power  |
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