Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots?

* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot Does this mean

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m24 slot wallet slots on the motherboard will usually support both PCIe and SATA but those on add-in cards will often only support one or the other There

m2 slot screw 2 slot is usually filled by an SSD but can also be used for other purposes NVMe specializes in minimalism and speed, directly connecting to