1.Supports high speed PCI-E 1X, 4X,8X and16X card, but work at 4X speed only 2.New design with dual vertical 90 degrees direction for PCI-E Card 3..High Speed flexible cable is for 1U,2U and ATX/BTX chassis 4.Utilize high quality flexible cable which is extremely soft and compact 5.Easy to install and no need any soft driver.<br><br>golden finger protection cover and dustproof design. Experienced design and durable material for High frequency and low attenuation. PCB-Swaddled and fixed with Bolts and nut to prevent tearing and short circuit for PCB-Cable solder points Stable PCIe Gen4 8Gbps or higher with high quality Axial Cable. Colour:Black Material:plastic<br><br>Package Contents: 1 x PCI Express 4.0 4X Extension cable<br><br>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.