Thank you guys for the fast responses I really appreciate it! Have a safe weekend!

I would like to save some money by using my old ddr3 1600mhz ram 16gb but don't know if that will affect my pc's ability to mine effectively. I know most of it's on the GPU but I don't want there to be any sort of bottleneck. Would an I5 4690 bottleneck two RX 580s that are mining? does anyone else have a similar rig or questions?