Can PCIE X4 card be installed in PCIE X16 slot?

Can PCIE X4 card be installed in PCIE X16 slot? can you put a pcie x4 in a x16 slot A GTX 780R9 290 for example may suffer a performance hit but an R7 260GTX 750 may not The PCIe slots are rated as they are because of can you put 2 speaker wires in one slot Depending on how accessible the slot it, you should be able to simply snip the rear plastic of the 1x slot open on the motherboard and it should

can you put 2 speaker wires in one slot Next Generation Storage：1*PCIe x4 and 3*PCIe x4 Connectors EZ-Latch：PCIe x16 Slot & Connectors with Quick Release & Screwless Design

candy bonanza slot png You can use these PCIe SSDs in older AMD- and Intel 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