The HP 790488-001 is a riser card designed for use with the HP ProLiant DL60 and DL120 Gen9 servers. This component plays a crucial role in server expandability by providing additional slots for PCIe cards, enabling users to add a variety of peripherals such as network cards, storage controllers, or graphics processing units depending on their specific requirements. The riser card is engineered to fit perfectly within the designated servers, ensuring a secure and reliable connection for added expansion cards. By utilizing this riser card, businesses can enhance their server's capabilities, making the HP ProLiant DL60 and DL120 G9 servers more versatile and adaptable to a wide range of applications and workloads. Its introduction into a server system extends the functionality and increases the value of the investment in HP's server technology.