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2 1080's off one PSU Cable?

Sw0rd53
By Sw0rd53
in Graphics Cards
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So, I just got a 2nd EVGA 1080 SC for my rig, the 1080 uses one 8pin power. The PSU is powerful enough for it but I was wondering, since the cable has 2 8 pins, could I power the 2nd one with the other 8 pin on the cable, or would it be better to run another 8 pin power? The PSU is a Corsair, RM750. Crappy pic for context.

IMG_20180831_175510.jpg

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I’m running two sc’s. Don’t feel like runnng another cable and having the extra pins hang off. Connected to the same rail and the wire is rated for it. No reason to run another unless you are paranoid. 

Main RIg Corsair Air 540, I7 9900k, ASUS ROG Maximus XI Hero, G.Skill Ripjaws 3600 32GB, 3090FE, EVGA 1000G5, Acer Nitro XZ3 2560 x 1440@240hz 

 

Spare RIg Lian Li O11 AIR MINI, I7 4790K, Asus Maximus VI Extreme, G.Skill Ares 2400 32Gb, EVGA 1080ti, 1080sc 1070sc & 1060 SSC, EVGA 850GA, Acer KG251Q 1920x1080@240hz

 

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