Would connecting a PCIe GPU to a PCIe port affect

Would connecting a PCIe GPU to a PCIe port affect pcie 4 gpu in pcie 3 slot PCIe slots feature the same pin layout and thus are forwards and backward-compatible However, a PCIe card slotted into a PCIe slot will pcie slot size 1 Add or upgrade your dedicated graphics and sound cards · 2 TV tuner cards and video capture cards · 3 Add WiFi and fax functionality · 4

pcie slot size PCIe 's throughput is 1GB per second per lane, providing an overall data transfer rate or bandwidth of up to 32GBs total PCIe doubles

pcie x4 in x16 slot 4 lanes 4 of them are used to connect to the chipset So 20 lanes are available for direct connection 16x goes to PCIe Slot1 GPU's with waterblocks are even narrower, generally a bit more than 1 PCIe slot wide You have three options for a 4 GPU rig, blower style GPU's