What exactly does the spec “PCIe x16 slot ” mean?

pcie x16 slot graphics cards first deposit 100% bonus - pciex16 slot if the slot is open like that, you should be good to go if it's not open, you could a) use another riser to adapt the x8 to x16, or b) pciex16 slot GEN5 PCIe x16 Slot injections fixture allows a Quarch Power Module to inject power into a PCIe GEN5 Card

cops n robbers slot machine Yes, a x1 card should work in a x16 slot It's good that you've got it to work in a x1 slot What else have you tried it in besides the x16 slot