This USB 3.0 19P 20P 90 degree adapter is designed for computer motherboards, providing a convenient and reliable connection. It features a multilayer circuit board for lossless transmission and is compatible with USB 3.0 high-speed signals. The adapter solves the problem of 19P cables being too large for motherboard pins and is available in two types: A and B, depending on the notch orientation of the motherboard 19P interface.