1. Windows Storage Server

2. 2 Microsoft Confidential – Communicated Under NDA What is Windows Storage Server? Dedicated file server Fixed-Function device built on Windows technology Preconfigured, available from all major OEMs; FuSi, HP, IBM, DELL From 160 GB to multi-terabytes Fully redundant hardware configurations Headless devices Rack mountable Windows has over 53% of WW NAS unit market share Easy to deploy Remotely manageable Depth of ISV partners Low acquisition cost Combining the ease of use of an appliance with the richness of Windows Server 2003 technology to provide solution for Enterprise storage needs Source: Gartner Dataquest

3. 3 Microsoft Confidential – Communicated Under NDA Windows Server 2003 R2 for Embedded Systems Contains complete operating system Windows Storage Server 2003 Software Architecture for File Server Appliances 3 rd PartyMicrosoft Storage Server Specific MMC Remote Desktop Management interface OEM Key takeaway: OEMs building file servers or network attached storage or storage area networks are prospects for these SKUs. Four separate SKUs listed in detail on the next slide, no CALs required, available in 32bit and 64bit versions. OEM Differentiators and Implementations Includes all enhancements to drivers and MMC 3 rd Party Applications Anti-Virius, HA, DR, SRM

4. 4 Microsoft Confidential – Communicated Under NDA Windows Storage Server 2003 R2 SKUs SPEC/Licensing Provisions Microsoft ® Windows ® Storage Server 2003 R2, Express (1 CPU Version) Microsoft ® Windows ® Storage Server 2003 R2, Workgroup (1 CPU Version) Microsoft ® Windows ® Storage Server 2003 R2, Standard (1-4 CPU Version) Microsoft ® Windows ® Storage Server 2003 R2, Enterprise (1-8 CPU Version) Operating System Code BaseR2 Storage Capacity (Max)FS maximum RAMOS maximum Processors111-41-8 Embedded ApplicationNo Remote Management InterfaceMMC NICs12Any Disk Drives1-21-4Any RAIDSoftwareSoftware or Hardware HDD Interface ATA, SATA F/C, SCSI, iSCSI, ATA Microsoft NLBNo ClusteringNo Yes Transportable SnapshotsNo Yes PrintNoYes, 5 PrintersYes Highlighted areas indicate key licensing differences

5. 5 Microsoft Confidential – Communicated Under NDA Product Examples - Storage  Dedicated File Servers (Network Attached Storage)  SAN Gateways  Disc to Disc to Tape backup