Cubix Corporation's Family Of PCIe Expansion Units

It should work in PCIe_1 out of the box, as that's the primary slot in pretty much all consumer motherboard for a graphics card I would suggest

You can insert a PCIe x1 card into a PCIe x16 slot, but that card will receive less bandwidth Most GPUs require a PCIe x16 slot to operate at

gpu slot width GPU, or other Peripheral Component Interconnect Examples of expansion slots include the peripheral component interconnect slot

gpu expansion slot How Many PCIe Lanes Do I Need? For graphics cards, you'll always get the best results by using the fastest available PCI Express x16 slot PCI Express x8 slots