The IBM Single Port PCIe3-Express Card I/O Expansion 02AM420-S01 S924 E980 02AR125 is a plug-in expansion card designed for IBM Enterprise Servers. This I/O expansion adapter features a single port PCI Express interface, making it compatible with IBM servers. The product is manufactured in China and specifically designed for IBM systems, providing a reliable and high-quality expansion solution for enhancing the functionality of your computer system. With its one port design and PCI compatibility, this expansion card offers a seamless and efficient way to expand the input/output capabilities of your server setup.