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

Dual NVme m2 SSD in ONE slot? pcie m 2 slot 2 SSD slot on your motherboard These slots are similar to PCIe expansion slots but are much smaller And this makes them perfect for SSD drives pcie 30 x1 slot PCIe SSDs Clear all ; PCIe SSD 250H NVMe PCIe Gen4 x4 3D NAND flash 1 TB; 2 TB; 4 TB RUp to 7,500 MBs WUp to 6,700 MBs ; PCIe SSD 250S NVMe PCIe Gen4

pcie x32 slot Dual Channel DDR5：2*SMD DIMMs with AMD EXPO™ & Intel® XMP Memory Module Support; SuperSpeed Storage：PCIe x4 Connector; EZ-Latch：PCIe x16 Slot with