Windows 11 doesn't recognize an NVMe in a pcie slot after

No, but sort of yes The standard is for a specific socket and form factor, while NVMe is a more general standard for nonvolatile memory

M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8 x16 Slot 16 GB GDDR4 Graphics Card only for Rs from Only Genuine Products 30 Day

m2 pcie slot 2230, 2242, 2260, 2280, 22110 Power supply, on the bus 2x NGFF 75-pin M-key slot to install an NVMe SSD disk

m2 slot screw 2 slots on motherboards and other devices do not support all SSD 2230 and 1630 WiFi