Features: Brand new and high quality Brand new and high quality Brand new and high quality Dual USB 3.0 male to 20-pin connector. Easily add USB ports without occupying a PCI slot. It can directly convert the 20-pin interface on the board to 2 USB 3.0 interfaces. Install it in the original USB 2.0 slot, providing a front super high-speed USB 3.0 interface. This product adopts the USB 3.0 standard protocol, with a transfer speed that can reach 5 Gbps, and an actual speed of approximately 500 MB. It is backward compatible with USB 2.0 and USB 1.1. Package Includes: 1 piece x USB 3.0 to 20-pin Motherboard Cable. Specifications: Name: USB 3.0 20PIN to Dual Port A Female Baffle Line Color: Blue OD: 6.0 mm Screw Model: M3 Conductor: Tinned Copper (Standard 24+28AWG) Shielding: 96b Double Shield Outer Line Material: New PVC Material Applicable Equipment: Personal Computer, Industrial Case DIY Length: Approx. 51 cm / 20.7 inches Interface: USB 3.0 20PIN Suitable for: WinXP/Vista/Win7/Win8 32-bit/64-bit Mac10.8 or higher Note: Due to the issues with lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1 cm error due to manual measurement.