Can PCIe x8 Fit Into x16 Slots?

can i put pcie x4 in x16 slot   Dan candy 99 slot

PCIe x4 devices are compatible with larger PCIe slots such as x8 and x16, and can be installed in these slots as well However, the bandwidth of the device is

Pcie 4x slot vs pcie 16x slot Will it impact gpu performance when inserted in Making sure Graphics Card is running at pcie x16 speeds in bios & Windows

link 69 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 Next Generation Storage：1*PCIe x4 and 2*PCIe x4 Connectors EZ-Latch：PCIe x16 Slot & Connectors with Quick Release & Screwless Design