The latest PCIe 4.0 supports transfer rates of 16GT/s bit rate. While providing double the bandwidth of PCIe 3.0, the Gen 4.0 riser cable remains backward compatible with a maximum transfer speed, offers great performance, and shows off the GPU at a great new angle.

Lian Li PCI-e 4.0 X16 Riser cable ( For O11 Dynamic , XL , Mini )