Optane Memory Series MEMPEK1J016GAH 16GB M.2 2280 PCIe 3.0 x2 NVMe SSD Solid State Drive L08717-001 Compatible Replacement Spare Part for Intel Compatible and All Systems
What is the difference between PCIe Gen 3 X2 and X4 SSDs? Can these two SSDs be used for laptops that support the PCIe interface? - Quora