PCI-E 4.0 X16 Riser Cable - High-Speed Transmission in PCI-E x16 4.0 (90 degrees Support PCIe 4.0 Full support for PCIe 4.0 devices with new PCIe 4.0 cables with transfer rates exceeding 64Gb/s (bi-directional) Backward compatible with PCIe 3.0/2.0/1.0. EMI protection against electromagnetic interference Full-coverage 30AWG copper EMI anti-electromagnetic interference design can effectively block interference and ensure stable and efficient signal transmission. Gold finger countersank gold process PCI gold finger sinking process provides maximum electrical conductivity, each pair of pins can withstand 400g of external force, extending the product plugging life and ensuring good electrical performance.