PCIe 4 NVMe drive in a PCIe 3 slot

All 11th gen and 12th gen and accordingly 500600 series mainboard support PCIE , it's nothing special and not rare Also most GPUs don't

DPX instructions comparison NVIDIA HGX™ H100 4-GPU vs dual socket 32-core IceLake For LLMs up to 175 billion parameters, the PCIe-based NVIDIA H100

pcie slot function PCIe 4 graphics cards offer increased bandwidth and faster speeds compared to their predecessors However, when used in a PCIe 3 slot, the card will operate at

pcie 4 gpu in pcie 3 slot If you connect a PCIe GPU to a PCIe slot, you will only get the PCIe standard performance If you connect a PCIe GPU to a PCIe