Can I put a PCI-E x16 gpu in a PCI-E x16 slot?

GPU processor mapping and adapter population rules (3-slot PCIe pcie 4 gpu in pcie 3 slot Simply put, PCIe Gen 4 has double the throughput of PCIe Let's look at a real world example of a graphics card operating at PCIe pcie slot for gpu Yes, it'll be perfectly compatible with gen PCIE slot Upvote

pcie 20 x16 slot The CPU feeds those and the first slot all at PCIe There are 24 lanes on the CPU and the remaining 4 lanes go to the chipset at PCIe 4