Premium PCIe 4.0 x16 Extension Cable, 300mm The CORSAIR Premium PCIe 4.0 x16 Extension Cable 300mm delivers the high bandwidth of PCIe 4.0 while making vertical mounting of your GPU in compatible cases easy. x16 SPEED Take advantage of the advanced bandwidth and powerful performance of PCIe 4.0 x16 for your GPU, up to 64GB/sec. EMI SHIELDING Electromagnetic shielding eliminates signal interference and ensures maximum GPU performance. 90° CONNECTOR A right-angle PCIe connector minimizes cable strain and makes GPU installation easy.