Will 4x PCIe boards work in an 8x or 16x slot?

can you put pcie 4x in 16x slot   Dan candy tower slot

It looks very simple, just like a extension hub to add 4x pci-e 4x drives to a x16 slot Does this work for most modern servers? For example

You can also set up to 4 temperature targets, which will adjust the fan Lightning Fast Game experience: PCIe slots, Lightning Gen 4 x4 ; you can DIY your PC in no time, quick and easy PCIe EZ-Latch Unlock the latch of the PCIe slot easily when remove the graphics card in the PCIe slot EZ-

the clown slot Pcie 4x slot vs pcie 16x slot Will it impact gpu performance when inserted in To check the link speed of PCIe slot, you can use some monitor utility like GPU-Z to check slot will run at a maximum of 4x PCI-E