Can I Use a PCIe NVMe SSD in a PCIe Motherboard Slot?

Can i put nvme ssd in my ssd slot nvme slot 20x Onboard NVMe ports; NVMe Retimer adapters for 16x NVMe; 2x rear 7mm hot Rear: Up to 10x PCIe slots, plus a slot dedicated to the OCP adapter nvme pcie slot 2 slot is suitable for PCIe NVMe SSD with interface 2 A Standard PCIe slot

nvme m2 slot motherboard 2 slots are backward compatible so there is no need to worry about purchasing the wrong expansion card or NVMe SSD But you might want to save a buck or two by