Hello my question is that I have a motherboard old is the MSI 760GM P23(FX) and I want to but the XFX AMD Radeon RX 580 GTS XXX Edition 8GB..will my motherboard support this card..?I have old bios and not UEFI..I contact the msi and they told me that there is not problem..i have 550w PSU with 8pin connector for the card..Thank you..