PCIe NVMe SSD on PCIe slot-Worth it?

NVMe over PCIe Fabrics · High Speed Reflective Memory · Transparent Host Target IBP-G4X16-3 Backplane PCIe Gen 4 Expansion 3 slot backplane 3 Slot x16

i plan on getting a second but my motherboard has 1 slot and 1 slot I currently have a Kingston nv2 1tb so i was wondering

nvme m2 slot One lane of PCIe = 16Gbs , and as NVMe requires 4 lanes, with the new PCIe technology being released, with the the new

nvme pcie 40 in 30 slot There's no NVMe SSD designed to use more than 4 lanes of PCIe Those are just NVMe to PCIe slot adaptors so technically it is