1.High Speed flexible cable is for 1U,2U chassis, Supports high speed PCI-E 1X, 4X,8X and16X card, but work at 1X speed only 2.Total length: 24cm, cable length: 20cm,Utilize high quality flexible cable which is extremely soft and compact 3.Experienced design and material for High frequency and low attenuation, golden finger protection cover design. 4.PCB-Swaddled and fixed with Bolts and nut to prevent tearing and short circuit for PCB-Cable solder points 5.Stable PCIe Gen3 8Gbps or higher with high quality Axial Cable. Easy to install it in 1U/2U case in any angle Colour:Black Material:ABS Package Contents: 1x PCI Express Extension Cable 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.