The LENOVO 4849MJY is a software offering that includes Windows Small Business Server (SBS) Standard 2011 for 1 to 4 CPUs, along with 5 Client Access Licenses (CALs). This Reseller Option Kit (ROK) is specifically designed to meet the needs of small businesses, providing a comprehensive solution that combines server technology from Microsoft designed to empower businesses with essential functionalities. Windows SBS Standard 2011 offers an integrated solution for running network infrastructure (both intranet management and Internet access), messaging (email), collaboration (secure data storage, file sharing), and many other key business applications. It includes Windows Server technology and Microsoft Exchange Server, providing a reliable platform for the essential functions of small business IT environments. The inclusion of 5 CALs allows multiple users to access the server’s resources, making it ideal for small businesses looking to establish or upgrade their IT infrastructure with an integrated, comprehensive server solution.