What are the outcomes to using the NVMe slot on a graphics card?

gpu with nvme slot   Dan gpu with nvme slot

ADT-Link Key M NVMe External Graphics Card Stand Bracket with x4 Riser Cable 25cm 50cm 32Gbs for ITX STX NUC VEGA64 GTX1080ti

The concept aims to utilize the unused PCIe lanes on the X16 PCIe slot given that the RTX 4060 Ti GPU only uses a PCIe X8 bus interface This PCIe Gen 4 allows systems to connect to high-performance PCIe devices such as GPUs and PCIe NVMe SSDs Why is PCIe Gen 4 necessary? Advancement in PCIe

peking luck slot PCIe x4 slot with Lower impedance CONNECTIVITY Dual NVMe PCIe * Connectors  Depend on the chipset, but no it will not 16X is dedicated to the PCIe slot and 4x is dedicated to the NVME slot, another 4x to 8x lanes