Fangrui Product Details Transmission Speed: Pcie4.0 X16 Full Speed, 256g/bps (maximum). Application: Pcie 4.0 X16 Graphics Card To Pcie X16 Slot Extension Cable. Adaptable Graphics Card: Supports All Pcie 4.0 Graphics Cards In The Past Three Years. Segmented Cable Design Allows For Better Airflow. Support Pcie 4.0/3.0/2.0/1.0 (graphics Card 4.0 Can Reach Up To 256g/bps).works With Most Gpu/motherboard Components And Works In Most Situations. Specification: Product Name: Pcie 4.0 X16 Extension Cable Process: Pure Copper Tin Plating Degree: 180 Degree Wire Length: . 10cm Transmission Speed: Pcie 4.0 X16 Full Speed, 256g/bps (maximum) Application: Pcie 4.0 X16 Graphics Card To Pcie X16 Slot Extension Cable Material: Abs Colour: Black Package Contents: 1 X Graphics Card Extension Cable 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 Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.