Will PCIe x1 x4 cards work in x16 slot?

pcie x4 in x16 slot   Dan pcie cem slot

So your adaptec x4 card will run at x4 in a x16 slot It's a good sign the x1 card works, but still isnt proof the x4 will work Ideally for

1 PCIe x16 slot; 4 SATA3, 2 x ; Graphics Output Options: HDMI & Display ; 1 Rear USB Gen2x2 Type-C, 1 Rear USB Gen2 Type-A x16 ASRock B650E PG RIPTIDE WIFI AM5 ATX Motherboard, 4 slots DDR5, PCIe x16 Slot x4 NVME Speed up to Sponsored KingSpec XG 7000 2TB

slot mermaid millions When I plug a GPU in the x4 slot, it runs at x1 Here's what I tried: 1 x PCIe x16 slot Intel® B760 Chipset 1 x PCIe x16 slot 1 x PCIe x1 slot