The SYBA SY-PCI50009 is a PCI card with 2 ports for DB9 serial connectors and 1 port for DB25 parallel connectors. It is designed for expansion of serial and parallel ports in a computer system. With a 32-bit architecture, this card is compatible with PCI ports and offers a reliable solution for connecting various devices requiring serial or parallel communication. As a product from Syba, a trusted brand in computer components, users can expect high-quality performance and stability from this interface card.