Hi I have an issue with adding an MSI 570 with a few sapphire 580's. I had the sapphires running at 31 mhs each but when I added the MSI they all dropped towards 20. I updated the bios one by one with only one plugged in at a time and got them to 30+ each. When I plugged all 5 in, only the brand the HDMI plugged into would mine. E.g. if I plugged my HDMI into the MSI, only the MSI would mine. But if I plugged the HDMI into one of the sapphires, only the 4 sapphires would mine..