use both PCIE x16 gen4 and gen3

can i put a pcie 4 0 in a 3 0 slot   Dan candy pop slot

Please note, this product is currently not supported in combination with Dolphins PCIe Gen3 adapter cards Product Specifications Feature, Description Uplink

To put it another way, PCIe cards can be used with motherboards that have PCIe slots, and PCIe cards can be used with motherboards Yes, PCIe standards are thankfully backwards compatible, meaning that a PCIe device will work in a PCIe slot, but it will only be able to reach PCIe

peacock princess slot machine A PCIe SSD card can be inserted into a motherboard having PCIe slots use of the greater bandwidth of the Gen 4 slot  PCIe x1: a single PCIe lane does not support the interface] · PCIe x4: NVMe SSDs occupy a single x4 slot] · PCIe x8: expansion cards with 2 SSDs will