1.Does not support B Key ,B+M Key M.2 SATAIII SSD, only Supports M.2 Key M Card Type. 2.M.2 SSD to PCIe X4 adapter. 3.M.2 Specification Revision 1.0 4.Support 2242/2260/2280 type M.2 Card dimension. 5.Support M.2 Socket 3 PCI-e-based SSD Module. 6.Support PCIe Gen3 x4 7.Supports any OS like , and Linux 8. Supports industrial operating temperature range: -40 - 85 C Introduction: 1.Allows user to use standard PCIE bus M.2 SSD to PCIe x4 in the desktop or Laptop. 2.Transparent to the and does not require any software drivers. Colour:Black+Gold Material:Plastic + Metal Package Contents: 1 x PCI express 4x to M Key adapter With gold heat sink Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.