19Pin USB Header USB3.0 1 to 2 Splitter Internal USB Hub for Computer Motherboard 150mm Features: Using this product, you can extend the originalUSB3.0 19P that comes with the motherboard into one for two (20pin holder, empty one pin is also 19Pin). 1 to 2 USB3.0 female screw mount panel type to motherboard 19pin/20pin flat cable. You can use USB3.0 female convert USB3.0 (20pin Header) directly connected to the motherboard. The USB3.0 A female connector can screw at the panel. USB3.0 port to USB3.0 19pin/20pin cable.there are screw mount holes at USB3.0 female end Specifications: Item:19pin Computer Motherboard Usb3.0 Expansion Cable Material:PVC Cable Length:approx 15cm/5.9in Package Includes: 1PC Usb3.0 to 19pin Splitter Cable note: Due to the problems of lighting effects and angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.