Why would a PCIe x16 slot be limited to PCIe x1 card?

can you put a pcie x4 in a x16 slot   Dan can casinos change the odds on slot machines

- 1 x PCI Express x16 Slot AMD Ryzen series CPUs

The PEX4TO16R PCI Express x4 to x16 Slot Extension Adapter lets you install PCI Express cards into x4 PCIe slots in a 1U rack mount chassis  The Motherboards can be mounted on Small towers, Mid-Tower, or Full Tower casing whether it's an ATX, Micro-ATX, Mini-ATX, or ITX board PCIe is the component

play pompeii slot machine As long as the card physically fits in the slot it should work, PCIe is supposed to negotiate the best link over whatever number of lanes are You can use PCIe X4 slots for storage expansion cards Each X4 slot capable of 4GBs, so its better to have one device per slot