Which slot should I use on an X570 gaming edge motherboard?

SLOT PCI-E DE AÇO Os slots PCI-E Avançados de Aço são montados com uma proteção sólida que previne qualquer interferência de sinal com placas de vídeo Ele

nomoss Motherboard manual says that the m2_1 slot shares bandwidth with the 16x top PCIE slot Check out page 28 of the manual

trial by fire slot Is this OK or should I move the standoff from M2_2 to M2_1 and install the HDD in M2_1? slot but it is not shown in that picture it is

kampung bola slot The M2_1 slot ist ok, because my crucial P1 is also detected @ every boot So I think this is a SN850 firmware problem or a MSI Bios problem