The HP 2017 PC Legacy Expansion Port Card with 5V PS/2+9 PIN Ports is a versatile interface/add-on card designed for computers. This card, with the model number HP Regulatory Model 910110, provides 3 ports for RS-232 and PS/2 compatible devices. Made by HP, this expansion port card allows users to easily expand their PC's capabilities and connect a variety of legacy peripherals. With its reliable brand reputation and specific port compatibility, this card is a valuable addition to desktops. any questions please message- card working well all ports functional