Can I split on 6 pin pcie to two 8 pin for my graphics card?

andywillers

Reputable
Feb 11, 2015
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4,540
Hi there, I have a 1100w PSU in a hp z800. I want to run 2 graphics cards (gtx 780 ti), and have installed one, but am only left with 1 6 pin pcie power output left. Could I use a 6 pin to 2 x 8 pin splitter to power the other graphics card?