Does any PCIe slot support NVMe SSD's automatically or do I need

Suitable for slot with key M or B+M based on PCIe Chipset: Renesas 1 x 67 pin key M slot 1 x 67 pin key B slot

* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot Does this mean

m2 pcie 40 in 30 slot My M2_1 slot does not seem to be detecting my NVME SSDs, they work fine in the M2_2 slot Does anyone know why? I want to use both M2

m2 sata slot Small form factor builders are usually restricted to a single PCIe slot on their motherboards If