Expansion Slot in Computer

pcie expansion slot   Dan pcie gen 4 in gen 3 slot

It is possible to accomplish something like this with a PCIe bridge chip but mechanically this kind of arrangement using an ordinary PCIe slot

PCI Express: The best type of expansion slot to have in your PC is the PCI Express, also written as PCIe · PCI: The PCI slot is the most common Would a RAID card require cooling if I disconnect the expansion slot cover and use standoffs to mount it to the back of the case?

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