Aorus z390 master second 8 pin MB connector required ?

[ratters]

I am not currently using it as it was a pain to plug in. But after installing windows and getting 5.0 overclock on the core what is it gaining me ?

 

[orbitalwalsh]

I am not currently using it as it was a pain to plug in. But after installing windows and getting 5.0 overclock on the core what is it gaining me ?

it can supply additional voltage - or spreads the load more evenly to the pins and socket