Features:brand new and high qualityEnvironmental for protection wire, with excellent electrical conductivity, can transmit data at high speed.Flexible PVC for jacket, flexible and difficult to break, it's durable.Prompt, one end is connected to the motherboard's built-in USB2.0 (9-pin interface), and the other end is connected to the chassis USB3.0 (20-pin interface).The cable is for connection and cannot increase the speed. The speed of the connection is USB2.0, which is convenient for the connection of the old motherboard.Products with built-in USB3.0 interface. Specifications:Quantity: 1PCColor: BlackMaterial: PVC for jacketModel: 20/19-pin Female to 9-pin Male cableCategory: USB3.0 seriesPurpose: data transmissionData speed: 480mbps Total cable length: approx. 10cm/3.94in Note:Please allow 0-1cm error due to manual measurement. pls 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:1PC x 20/19-pin Female to 9-pin Male cable