1. Rackable Systems Company Update SWsoft Conference Jeff Stilwell – Sr. Director of Systems Engineering

2. 2 Why Rackable and SWsoft? Rackable Systems enables the highest density server farm with the lowest power consumption, cooling requirements, and operational efficiencies. Virtuozzo enables the most efficient use of hardware, software, and management resources. Successful software solution coupled with successful hardware implementation: lowest total cost of ownership!

3. 3 Rackable Systems Founded in 1999, based in Silicon Valley, CA 4 th largest x86 server vendor in North America (IDC & Gartner) Fastest-growing x86 provider worldwide (IDC) Successful IPO in June 2005 (NASDAQ: RACK) Distinguished by our highly differentiated chassis, cabinet, and power designs (patents awarded) The first to launch DC power solutions for wide-spread data center adoption (patents pending) We ARE:

4. 4 Design Turnkey Servers and Storage Products that Leverage an Open Architecture Approach Operations Configuration Rackable Systems Solutions

5. 5 (1) 12 months ended September 30, 2002. (2) Midpoint of recent guidance range. (2) Rapid Revenue Growth (1)

6. 6 InternetInternet 250+ Leading Customers Across Multiple Verticals EntertainmentEntertainment Government/EducationGovernment/Education Enterprise Software Semiconductor Design Biotech and Pharma Financial Services Oil and Gas CommunicationsCommunications Fox Sports Network Top 10 Global I-Bank UCSC Human Genome Project Top 5 ECN

7. 7 RACKABLE VALUE PROPOSITION Highly differentiated chassis and cabinet designs –Most practical and cost effective density model: 2x density; back-to-back mounting –Optimal system cooling –Serviceability (power mating, front-accessible I/O) DC power/Low power expertise Superior lights-out Remote Management –Serial, IP based, and IPMI support –Provisioning, Monitoring Solutions Maximum flexibility and configurability –Application-specific recipes – build consistency –Turnkey deployment services – integration with current practices –Rapid new technology adoption World-class OS, firmware, and BIOS expertise –Red Hat, VA Linux, Windows, Solaris

8. 8 Old Way Rackable Systems Vastly Improves Scale Out Deployments

9. 9 Increasing Adoption of x86 Scale Out Deployments DensityDensityPowerPowerHeatHeatOperationsOperations The Datacenter Dilemma

10. 10 Foundation Series Cabinets ServiceabilityServiceability I/O in front and clean cabling reduces maintenance time by up to 75% DensityDensity Half-depth server design mounted back-to-back for 2x density Foundation Series Rack Mount Servers Unobstructed central air plenum for superior ventilation Thermal Management & Power Distribution Thermal Management & Power Distribution DC Power option provides power savings of up to 30% Passive cooling design for highest reliability Remote Management Ethernet, Serial and IPMI capability FlexibilityFlexibility Choice of 22U, 36U, 44U With open architecture server designs

11. 11 Foundation Series Rack Mount Servers Open Architecture Open Architecture –Industry standard server-class components –Total customer flexibility Customization Customization –Full choice of AMD or Intel chipsets –Range of memory, disk formats (SCSI, SATA, IDE) and RAID configurations –Networking: Ethernet, Infiniband –Operating Systems: Linux, Windows, Solaris –AC and DC Power choices available to meet specific data center needs Form Factors Form Factors –Broad range of 1U, 2U, 3U, 4U designs –Half-depth designs for increased density and optimized cooling (compatible with standard 19” rack) –3U and 4U standard-depth designs for maximum expansion capabilities –Easiest serviceability: I/O in front, elimination of rail kits

12. 12 Scale Out Series Cabinet Scale Out Hybrid Blade Servers Up to 368 Processor Cores per Cabinet ServiceabilityServiceability I/O in front and clean cabling reduces maintenance time by up to 75% and dramatically simplifies serviceability DensityDensity Side-to-side and back-to-back mounting for highest server density Superior thermal management enables processors to operate at full clock speed at 95 degree ambient temperature DC Power option provides power savings of up to 30% Thermal Management & Power Distribution

13. 13 Industry’s First Distributed DC Power Solution Highly reliable DC power supply replaces standard AC power supply 20-40% shift or elimination of heat DC distribution bars inside cabinet deliver N+M redundant DC power to individual servers Rectifiers convert AC input to DC power for 10-30% increase in power efficiency Power Cost Savings and Higher Reliability

14. 14 DC System Green Field Build-Out Gemini Power Cabinets DC Bus Duct Distribution System Server Cabinets (20)

15. 15 Rackable Systems TCO

16. 16 Lowest TCO Factors Lower acquisition costs Lower data center costs Lower management costs Lower acquisition costs Lower maintenance costs, higher availability, better performance Lower power & HVAC costs Open architecture 2x CPU density Superior remote management Built-to-order (no unnecessary parts) Optimized thermal efficiency Optimized power efficiency Up to 85% Reduced Total Cost of Ownership (TCO): Tellme Networks Case Study Ranks Rackable Systems #1 For Large Scale Server Deployments !

17. Thank You tgallivan@rackable.com adeimaggi@rackable.com jstilwell@rackable.com sales@rackable.com tgallivan@rackable.com adeimaggi@rackable.com jstilwell@rackable.com tgallivan@rackable.com adeimaggi@rackable.com jstilwell@rackable.com