The CISCO 74-113290-01 is a SAS SATA Caddy Tray designed for compatibility with the UCS C220, C240, and C480 ML server models. This caddy tray allows for the secure installation and easy management of SAS or SATA hard drives within the server chassis. It is engineered to support hot-swap functionality, enabling drives to be replaced or upgraded without shutting down the server, thus ensuring uninterrupted service. The caddy's robust design protects the drive during operation and transportation, enhancing data integrity. Its compatibility with multiple server models makes it a versatile solution for expanding storage capacity or replacing drives across various deployments.