Hello guys i have one question if someone can help,i have seasonic focus plus gold 550w psu and i5 2500k at 4.4ghz cooled by cryorig h5 universal 1x250gb ssd and 2tb hdd,atm i have hd 7850 2gb oc,i would like to buy rx580 8gb preferably sapphire nitro+,now here comes the fun part my psu has only one cable which is split into 8pin and 4+2pin,is this ok for specific card which needs 8+6pin or is it not because power comes from one cable ive seen different conclusions to this?and if it it will my psu even be enough for my sytem?thanks for help hope that someone has spme insight..