Is one 6 pin to 8 pin ( 6 + 2) enough

1 Jun 2013
I have an old Cooler Master silent pro 850w which has 6 x 6 pin pcie slots, i have two 6 pin male to 8 pin (6+ 2) leads only. I want to hook up 2 x GTX 780's i have kicking about. Will one lead per card be enough?. I would prefer to use two per card, but cannot find 6 pin male to 8 pin( 6+ 2) male online (in stock that is)
Man of Honour
12 Jul 2005
Aberlour, NE Scotland
You will need both leads per card or they won't work. The thing is that the psu is getting on a bit now having launched in 2009 and it wasn't particularly good when it came out as it suffered with ripple on the 12v rails. A pair of GTX 780's is going to load it up if you should manage to find the correct cables. Personally I would replace the psu for something more up to date. I would probably sell the gpu's and put the money towards a new or secondhand single card as well. Multi gpu gaming is just about dead now with both gpu companies effectively binning it on their latest cards.
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