PCI x4 in x8 slot

can you put pcie 4x in 16x slot   Dan canyon slot

Here is AMD's Crossfire compatibility chart to help you understand which cards will work together in crossfire and yes x16 and x4 will work fine

It should work just fine The port should automatically drop down to x4 You may need to get a smaller plate though  Yes, you can plug into 16x slot, but off course it will run in 4x speed Some motherboard even let you plug 4x card into 1x, but it will down to

barnyard bonanza slot ashen's right if you have a pcie 1x or 2x card, it will not only fit in a 1x or 2x slot, it will fit in anything up to a 16x but you can't put However, one key difference will For example, an x8 card can operate in a slot with x8, x16, or x32 lanes Similarly, an x1 card can operate in any PCIe slot