[Specially designed for RTX 4090/4080/3090TI] 16(12+4)pin male to 4x8pin female sleeve extension cable is specially designed for GeForce RTX4090, RTX4080, RTX3090ti, the cable adopts high-density flexible protective sleeve, braided nylon fiber, length For 14 inches, this extension cable is not suitable for GPU with 12pin interface such as RTX3090, only supports 12+4pin GPU such as RTX4090, RTX4080, RTX3090ti and 4000 series. [16AWG Tinned Copper Wire]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. [ and Tidy] 34cm GPU riser extension cable, compared with the 10cm power cable, can make your DIY computer system and tidy. [Up to 600W Output] PSU extension cable supports up to 600W output. The plug terminals of the graphics card cable are made of copper and tinned material, which can bring stable and higher currents. This extension cable only needs to 8pin to convert it into 12+4pin, which is simple and safe to power the GPU. It is recommended to use a power supply above 1000W for better and more stable performance. Note: Do not use PSU 8 Pin to Dual 6+2 Pin PCIE power cable as two connection ports to avoid overload power supply problems. We recommend using 4 PCIE power cables for better and more stable performance. Wire comb: random style and random color, t accept the specified Colour:black Material:copper Package Contents: 1 x Extension cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.