Support only M. 2 2230 M-key card ^^ Magnetic foot design for easy installation and secure fixation ^^ This extension cable allowed GPU or Graphic card to work on M. 2 M-Key slot of laptop or desktop as external GPU Card ^^ Using high quality SFF-8612 Extension cable, high frequency support PCI-e 4.0 X16 32G/bps stable transfer ^^ System required Linux Kernel 4.3 or above, Windows 8.1 / 8.1 -64/10/10-64. Pls update as newest bios before using it