Can I Use a PCIe NVMe SSD in a PCIe Motherboard Slot?

NVMe SSDs connected to PCIe slots can still offer impressive performance gains over traditional storage options like HDDs and SATA SSDs However, they may

Transmission speed will vary according to different hardwaresoftware conditions, therefore the data can only use for basic reference SSD works best

can i put ddr3 in ddr4 slot Gen 4 is faster than Gen 3

candy jar clusters 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 I'm wondering if there are