Can PCIe x8 Fit Into x16 Slots?

Physically yes, the slot connector for an x4 is generally smaller and PCIe is designed that smaller cards can occupy larger slots if needed

Expansion slots: 1x PCIe x16, 1x PCIe x4, 1x PCIe x1 Video ports: 1x DisplayPort 1x HDMI USB: Up to 1x USB Gen2x2

candy bar slot machine Pcie 4x slot vs pcie 16x slot Will it impact gpu performance when inserted in

candy stash slot I went out and grabbed a MSI B75A-G43 Gaming board as a replacement which has 2x PCIe x16 slots, one running at X16 and one