???Designed for RTX 3090 Ti / 4070 Ti / 4080 / 4090???Fasgear PCIe 5.0 12+4pin male to 8pin(6+2) female sleeved extension cable is designed for GeForce RTX 3090Ti and RTX 4080 4090 GPU. That means, this PSU cable can extend the length and work well with the original power cable to get a stable and reliable performance. Note: This GPU sleeved extender cable is not suitable for 12pin GeForce RTX 3090 Series GPU. Only support 12+4pin female GPU like RTX 3090Ti and RTX 4080 4090. ???16AWG Tinned Copper Wire???Fasgear PCI-e 5.0 extension cable contains 16AWG tinned copper wire. Compared with the standard 18AWG power cord, this updated 16AWG tinned copper wire can bring stable voltage transmission and higher power output. Meanwhile, this tinned copper can prevent oxidation. ???Up to 600W Output???Fasgear PSU extension cable supports up to 600W output. The plug terminals of the graphics card cable are made of alloy copper and tinned material, which can bring stable and higher currents. NOTE: This extension cable requires three unoccupied 8-pin PCI-e ports on your power supply to properly function. Connecting fewer than three connectors to your power supply may cause system damage. ???Neat and Tidy???Fasgear 30cm GPU riser extension cable, compared with the original 10cm power cable, can make your DIY computer system neat and tidy. With 4 transparent cable comb acrylic clips, it is convenient for you to manage this sleeved extension cable cord. Thus, this extension cable can make the appearance of the computer system more beautiful. ???What you get???1 Pack 30cm Fasgear 16pin(12+4) to 3x8pin PCI-e 5.0 sleeved extension cable with 4 cable combs. 18-month warranty and 24 hours customer service. If you have any problems or questions about this PSU cable, please feel at ease to connect with us.