1, PCIE 5.0 X16 GEN5 64GT/S bidirectional bandwidth. 2, 6-layer high frequency, low impedance, low dielectric PCB, special optimization process. 3. PCIE 5.0 gold-plated connector. 4, dual reverse graphics card extension cable, suitable for ITX chassis graphics card and motherboard back-to-back structure extension installation, small size and high adaptability. 5, using GEN5 silver-plated cable, insulation layer, aluminum foil shielding, dual structure. Support PCIE 5.0 data mission, support GPU graphics cards, solid state drives, expansion cards, etc., backward compatible with PCIE 4.0, PCIE 3.0. Specification: C: PCI Gen5 for ITX 20cm Color: Black Material: PCB+Plastic Package Contents: 1 * PCIe 5.0 X16 Riser 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.