Features: USB3.0 19pin Male to Female Extension Adapter Up Down Angled 90 Degree for Motherboard. This motherboard USB3.0 right angle converter is designed specifically for wiring on the back of the chassis. It uses a 90 degree elbow angle on the back of the chassis to effectively solve the problem of difficulty and angle in straight head wiring Main board Super-speed up to 5Gbps, 10x-faster than USB 2.0 Version.Support two-way data transmission at the same time-. Connect to the USB3.0 interface of the motherboard to ensure more stable and efficient data transmission. Whether you are a DIY enthusiast- or a professional player, this converter will be your right-hand man in creating the perfect chassis. The gap- of the motherboard 19P interface towards the inside of motherboard, choose A;The gap- of the motherboard 19P interface towards the outside of motherboard, choose B Specifications: Item:Motherboard Usb3.0 Converter Steering Head Angle:90 Type:A/ B Material:abs Note: Due to the difference between different monitors, the pictures may not reflect the actual color . Compare the detail size with yours, please allow 1-3cm error, due to manual measurement.Thank you. Package includes: 1 x USB3.0 Extension Adapter