The Microsoft Windows Small Business Server Premium Add - on CAL Suite is designed for small businesses looking to enhance their server capabilities. This suite includes a License & Software Assurance for 20 User CALs, allowing businesses to efficiently manage their user access and software needs. With a 1 Year Acquired Year 1 pricing model, it offers a convenient purchasing option for organizations. This product is part of the Microsoft Open Value licensing program, ensuring that businesses have the flexibility and support they need to grow.