1.Allow user to PCI-e 16X graphics card in M2 M-Key slot of laptop or desktop 2.High Speed Cable: Using high quality foiled cable, high frequency support PCI-e 3.0 X16 8G/ stable transfer 3.PCB use high frequency low resistance of materials with high quality, PCB using high board, copper thickness thicken to 1oz, gold finger plating enough gold, Good conductive performance, can reduce oxidize higher impedance caused by the crash blue screen. 4. Support graphics card: GTX1080ti High-end graphics CARDS, fireprow7100, radeon RX580, VEGA64, prowx5100, quadroK1200 professional graphics card, support for all the PCI-e Card after 2015 years. 5.Cable length: 19CM Colour:Black Material:plastic Package Contents: 1 x Graphics Card Riser Adapter Card 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.