How can I check the NVME specs

I was wondering if I could use Nvme gen4 on a gen 3 board ? I think my board only has one slot, so I may want to upgrade

#2 Gigabyte AORUS NVMe Gen4 SSD The most distinctive feature of Gigabyte AORUS NVMe PCIe SSD is the full-body copper heat spreader, which

nvme slot Your notebook's NVMe slot is PCIe Gen 3 While a Gen 4 SSD will work, it will only run at the max speed allowed by the Gen 3 slot, which is

nvme m2 slot Testing and installing a Gen4 NVME SSD on a Gen3 Motherboard This includes Unboxing