Should you buy a PCIe or SSD?

PCIe Gen4 NVMe on PCIe 3 0 - Performance impact pcie 4 nvme in pcie 3 slot A PCIe NVMe SSD will work in a PCIe motherboard slot at PCIe speeds PCI-Express versions are backward and forward compatible, meaning that you pcie 50 x16 slot You're referring to NVME based M2 SSDs, correct? But yes if the SSD is PCIE spec then of course the speed will be less when used on PCIE

pcie slot qrelease You can plug pcie into slots as it's backwards compatible but the speeds will be limited to Gen 3 It wouldn't be able to go above the