PCI-e v4 card on PCI-e v3 board Performance loss?

pcie 4 gpu in pcie 3 slot   Dan pcie 4 in pcie 3 slot

Currently, even the fastest graphics cards from Intel, AMD, and Nvidia still utilize the outdated PCIe standard Sure, you can pair them with a PCIe Gen 5

PCIe 's throughput is 1GB per second per lane, providing an overall data transfer rate or bandwidth of up to 32GBs total PCIe doubles After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes

macan 138 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 : 6dT9AXK Buy MSI Radeon RX 6900 XT : https