The LENOVO 4849MKP offers the Windows Small Business Server 2011 Premium Add-on, designed for small businesses that require advanced capabilities to support their IT infrastructure. This add-on package includes support for 1 to 4 CPU cores and provides 5 Client Access Licenses (CALs), enabling multiple users to access server services. It enriches the SBS 2011 environment with features such as SQL Server for managing databases and an additional Windows Server license, allowing businesses to run a vast range of applications and services. This solution is ideal for small businesses looking to enhance their productivity and data management capabilities, providing a cost-effective way to expand their IT infrastructure with powerful, enterprise-grade features tailored to meet the needs of growing organizations.