PCIe NVMe SSD on PCIe slot-Worth it?

If you see the board physically , you will see that slot B is too short for a typical NVMe SSD So even if you get

How can I determine the 'Gen-level' era of the laptop SSD NVMe slot? Will a Gen4 device work, and how poorly? It was on sale for the same price

which slot machines pay the best 2020 unless your getting a pcie5 nvme i use nvme similar to slot 1 for Os, and a second nvme similar for slot 2 for games Like Reactions: GO

which slot apps pay real money Instead of connecting it via a SATA III cable, it plugs directly into the motherboard via the PCIe slot or into a traditional PCIe slot using an PCIe