Features: brand new and high quality Product name: PCIe 4.0 x16 extension cable. The core wire adopts the pure copper tinning process to ensure the signal transmission at full speed, stability, and almost no attenuation. Transmission speed: PCIe4.0 x16 full speed, 256G/bps (maximum). Application: PCIe 4.0 x16 graphics card to PCIe x16 slot extension cable. Adapted graphics card: supports all PCIe 4.0 graphics cards in the past three years. The segmented cable design allows for better airflow. Support PCIE 4.0/3.0/2.0/1.0 (graphics card 4.0 can reach the maximum 256G/bps). for most GPU/motherboard components and suitable for most situations. Specifications: Product name: PCIe 4.0 x16 extension cable Process : pure copper tinning Wire length: approx. 15cm/5.91in, 20cm/7.87in, 25cm/9.84in, 30cm/11.81in, 35cm/13.78in, 40cm/15.75in, 45cm/17.72in, 50cm/19.69in(optional) Plug: 90, 180 (optional) Transmission speed: PCIe 4.0 x16 full speed, 256G/bps (max) Application: PCIe 4.0 x16 graphics card to PCIe x16 slot extension cable Note: Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Extension Cable