Supports high speed PCI-E 1X, 4X,8X and16X card, but work at 1X speed onlyHigh Speed flexible cable is for 1U, 2U chassisUtilize high quality flexible cable which is extremely soft and compactEasy to install it in 1U/2U case in any angleGolden finger protection cover 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 pointsStable PCIe Gen3 8Gbps or higher with high quality Axial Cable.Total length: 24cmcable length: 20cmColour: BlackMaterial: plastic + metalPackage Content: 2 * PCI-E 1X To 1X Slot Riser Card ConverterOnly 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.