Features: This motherboards header adapter connector for USB3.0, ensuring fast and efficient data transfer between your computer's motherboards and other devices. The 90-degree design of this converter allows for easy connection of USB3.0 device to your computers motherboards, without any hassle. for desktop computers, this adapter connector serves as a handy tool for enhancing the functionality of your systems by allowing for connection of various devices. As part of the modulars adapters category, this product offer solution for connecting your devices, offering flexibility and convenience in your computing needs. The notch of the motherboards 19P interfaces faces the inside of the motherboards, choose A.The notch of the 19P interfaces of the motherboards faces the outside of the motherboards, choose B. Specifications: Materials: Plastic Size: 23x15x14mm Styles: A, B (optional) Package Includes: 1PC USB3.0 90 Degree Desktop Converter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.