The LENOVO 4849MSM product provides a robust foundation for businesses requiring a powerful server operating system. It includes the Microsoft Windows Server 2008 R2 Standard edition, suitable for 1-4 CPU environments, and comes bundled with five Client Access Licenses (CALs), allowing up to five users or devices to access the server services. Windows Server 2008 R2 Standard is designed to support the needs of businesses with features like improved web and virtualization technologies, enhanced security features, and more reliable platform for all types of business applications. It includes Internet Information Services (IIS) 7.5, updated Server Manager and Hyper-V platforms, and enhanced security features with Windows PowerShell 2.0. This version also supports Advanced Configuration and Power Interface (ACPI) 2.0, Windows Deployment Services, and is the first Windows operating system to be exclusively 64-bit. This package is ideal for small or medium-sized businesses looking for an affordable yet powerful server solution that can support essential business functions such as file and print sharing, remote access, and security.