Looking for help understanding my PSU

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Joined
25 Jan 2009
Posts
480
Location
East Kilbride, Scotland
Hi, so this is probably gonna sound stupid due to having the psu for so long.
It’s a old gen AX850. Still running great so gonna keep it for a while longer.
I’m looking on buying an RTX3080 when it releases and was looking at my cables to make sure I have the necessary cables just in case it may be dual 8 pin connectors. I have ran SLI with this in the past so of course it can, but only remembered this after I looked.
It’s currently got 2 separate 8 pins coming from the PSU which I assume are connected into the two 12 pin connections on my PSU ? As there is only one 8 pin for the CPU.
I know this can accommodate sli from 4 separate cables but cannot remember how this was achieved. I’m guessing it was the two 12 pin connections on the PSU going to the two 8 pins on my old 680s and two separate 6 pins as well ?
I’m just curious so I understand what I’ve done in the past.
Also, why do they use 12 pins on the psu for 6+2 connectors and not 8 pins to 6 + 2 ?

thanks !
 
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