NVMe vs vs SATA vs PCIe: What are these SSDs?

Hi: 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

slot supports PCIe Gen 4 x4 SSDs, while the right slot supports only PCIe Gen 3 x4 SSDs or SATA SSDs 0

can nvme be used in m2 slot If I install a Gen 3x4 drive in either of these boards, will this reduce bandwidth on the PCIE 3 slots? Sorry if all this seems obvious

candy blasted! slot PCIe supports PCIe Gen 1, PCIe Gen 2, and PCIe Gen 3 devices PCIe Gen 4 will be compatible with PCIe Gen 5 A PCIe Gen 4 device, however, will