This converter enables the connection of a M.2 NGFF SSD in 2280, 2260, 2242 and 2230 format. Need M-key or NVME SSD, the B-key or B/M-key SSD cannot work. The converter can be installed into your system internally through the U.2 68 pin interface. Connector: U.2 SFF-8639 male & 67 pin M.2 NGFF key M slot Supports M.2 NGFF modules in format 2280, 2260, 2242 and 2230 with key M Maximum height of the components on the module: 1.5 mm application of double-sided assembled modules supported System requirements : 1. 8/8-64/8.1/8.1-64/10/10-64, Linux 3.16 2. A free U.2 SFF-8639 interface or A free SFF-8643 interface 3. It does not work for port. Colour: As Shown Material:PC+Plastic Package Contents: 1 x SSD Case Enclosure(Due to different product batches, the appearance , which does not affect the use) 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.