Question on PCIe expansion slot and M2 PCIe

Can I Use a PCIe NVMe SSD in a PCIe Motherboard Slot? can i use pcie 4 0 in 5 0 slot PCIe slots feature the same pin layout and thus are forwards and backward-compatible However, a PCIe card slotted into a PCIe slot will candy crush slot demo PCIe drives are available for those who want to speed things up a notch, however Compared to PCIe NVMe SSDs, the current Gen 5 counterparts (such

can i put a slot machine in my business PCIE 5 slot, all others are PCIE 4 But, with the ACE, it has two PCI-E slots and you can't use the second slot with the PCI-E M