PCI-e 1X/4x Card to NGFF M.2 Key M Adapter 1. This adapter allows users to convert standard PCI-e 1x/4x card to NGFF(M.2) M key interface for Desktop or Laptop. Supports PCI-e X1/X4 card .Supports 2260/2280 type M.2 SSD module slot .Only supports M.2 Socket 3 PCI-e-based slot. No additional soft driver is needed