pwr

Hi. I have set up my rig with X670 Aorus Elite AX in Define 7 case. Apart from AIO CPU cooling and GPU's own fans, I use stock fans shipped with the case (three Dynamic X2-GP14, 120 mm). They are 3-pin fans, meant to be connected to the in-case fan hub. The hub has its own power supply (SATA)...

i have a geforce GT 730 and getting a new R9 290x Sapphire tri-x card what should i do in terms of pre switching cards out, and post switching card out