This one: https://www.microcenter.com/product/660428/samsung-990-pro-1tb-samsung-v-nand-3-bit-mlc-pcie-gen-4-x4-nvme-m2-internal-ssd

Reason why I ask is because the lemur Manuel says PCIe NVMe Generation 3, and the one I’m trying to buy is Gen 4?

Any help is appreciated.