Product Description: 1, PCIE 4.0X4 to X16, 8GB\S bi-directional bandwidth. 2,Silver-plated shielded cable, double-layer cable, thickness 2mm, width 12mm. 3, support PCIE 4.0 devices, backward compatible with PCIE 3.0 4, gold finger sunken gold process, thickness 5U, using high-density low-impedance circuit board 5, using LOTESGEN4 connector, gold-plated 15U. 6, the cable can be bent and folded to adapt to small space installation 7, support PCIE graphics cards, network cards, solid state drives, capture cards, etc., support PCIE X4/X8/X16 8, PCB short design, 4-layer circuit board, impedance control 85Ω.