The NZXT Internal USB Hub Controller in black (AC-IUSBH-M3) is an adapter designed for connecting additional USB devices within a computer. Made by NZXT, this hub controller is compatible with the NZXT AC-IUSBH-M1 model and is ideal for expanding the number of USB ports available within a system. With its sleek black design and easy connectivity, this internal USB hub controller from NZXT is a practical and stylish addition to any computer setup. Perfect condition cleaner ready to go never installed. Extra from a project. Seller has perfect ratings and ships fast and secure. I’ve been in for 29 years. Have fun