Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si The gold finger adopts immersion gold technology, and the gold thickness is as high as 3U, which enhances the product's plug-in service life and good electrical performance Improved the clamping force of the graphics card and the stability of the product to prevent the blue screen problem of the graphics card The thickness of PCB copper foil is 1oz, and it is made of high-quality materials with high and high frequency and low resistance. Stable PCIe Gen3 or higher with high quality Axial Cable. Experienced design and durable material for High frequency and low attenuation.Easy to install it in 1U/2U case in any angle. Material:PCB board + copper wire colour:black Package Contents: 1 * Extension Cable Only the above package content, other products are not included. Note: Light 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.