Antec PCI-E 4.0 Riser Cable, x16 High Speed Flexible Extender Card Extension Port 90 Degree Adapter High stability and full PCIe Gen4 x16 speed, plug and play. Backward-compatible with PCIE 3.0/PCIE 2.0/PCIE 1.0. Gold-Plated Pin Connections: Gold-plated PCI pins allow maximum durability with a rated 400g of retention force per contact pair. Ultimate High Speed: The extender is capable of expanding bandwidth up to 16Gbps and beyond, featuring extremely fast graphic data transmission. Flexible Cable Sleeves: Durable cable sleeves allow for max flexibility, it won’t affect the cable transmission and makes cable management easy. Heavy Duty Shielding: EMI shielded 30 AWG tinned copper wires ensure minimal signal delay and electromagnetic interference-free operation.