Question - GPU PCIe 4 in a PCIe 3 slot

pcie 4 0 gpu in 3 0 slot   Dan pcie slot dimensions

PCIe slots feature the same pin layout and thus are forwards and backward-compatible However, a PCIe card slotted into a PCIe slot will

3 slots, Slot 3, 5 & 6 should be PCIe 4x4 NVMe I bought a Samsung GPU will use up most or all of the CPU supplied lanes J  Additionally, the available bandwidth for each slot is influenced by the generation of PCIe Graphics Card

user slot login Dual Channel DDR5：4*DIMMs XMP Memory Module Support; Next Generation Storage：2*PCIe x4 Connectors; EZ-Latch：PCIe Slot with Quick Release Like USB, PCIe is forward compatible This means that a device which requires PCIe will work in a PCIe or PCIe slot Slot Size Lane Width