Is my Samsung 980 PRO NVMe running in PCIe 3 or PCIe 4

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If you use a desktop, you're in luck There are plenty of adapters for sale that use the PCIe x4 slot already on your motherboard However, if

SSD NVMe PCIe vs SSD NVMe PCIe vs SSD NVMe 2 Slot is from the Ryzen 7 5700G then it will only support PCIe Found this tech site that explains that a Motherboard can have both PCIe and slots:

jago 177 slot login If you use a desktop, you're in luck There are plenty of adapters for sale that use the PCIe x4 slot already on your motherboard However, if NVMe Drives can use 4 PCIe lanes, which means a theoretical maximum 2 ports take up less physical space than ports, motherboard