Computer Motherboard Header Adapter USB 3.0 19P 20P 90 Degree Plug-in Converter PC Mainboard Connector Feature: Using multilayer circuit board to connect USB3.0 high speed signal lossless transmission Solve the problem that 19p cable directly inserted in the motherboard is not small enough to break the motherboard pin The notch of the motherboard 19P interface faces the inside of the motherboard, choose A The notch of the 19P interface of the motherboard faces the outside of the motherboard, choose B. Specification: Type: computer motherboard USB3.0 19P 20P adapter Interface: USB3.0 Color: Black Product weight: 11g Product size: 23 * 15 * 15mm/0.9*0.6*0.6in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Adapter