NVMe x4 and x1 compatibility?

website gen 4 nvme in gen 3 slot OP: You can stick any gen nvme drive into any gen nvme mobo The speed will be determined by which of the two is the slowest Bhav: Is that the genie wild slot 2 NVMe SSDs utilize the x4 connection, which has a bandwidth of 4GBs, which bottlenecks the SSD However, PCIe Gen 4 increases the bandwidth to

gen 4 nvme in gen 3 slot My laptop has a gen 3 slot First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot But  Sadly there is not much information on the compatibility of Gen3 slots with Gen4 NVMes, especially on pre-builts like Dell, Lenovo, and HP That  Looking at Amazon there is PCIe Gen 3 NVME and PCIe Gen 4 NVME for sale I don't see this even mentioned on the Wikipedia page for NVM Express

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