Power, Cooling and Electrical Cost Considerations
APC Power and Cooling Solutions Cooling Solutions
Liebert Power and Cooling Precision air conditioning systems
HP Energy efficiency for the enterprise

Dynamic Smart Cooling
Thermal Assessment Services
IBM Cool Blue Energy Management Cool Blue Energy Management
Sun Sun Eco Services
Sun, Microsoft Jam Servers in Shipping Containers
By Jonathan Thaw and Dina Bass - Bloomberg, June 22, 2007
When Richard Mount needed more processing power for Stanford University's particle accelerator, he didn't have room in his four-story building for a bunch of new computers. So he put them in the parking lot.
"The electricity bill for operating all the servers in the U.S. doubled between 2000 and 2005, to $2.7 billion", said Jonathan Koomey, a consulting professor at Stanford. Servers account for 1.2 percent of all U.S. energy consumption, or about the same amount used by all color televisions.

The Green Movement - Coming to a Data Center Near You
By Joe Wagner - Novell, June 2007
The public's (and IT's) consciousness has awoken to the need for environmental action. New virtualization technology can enhance your green efforts, but management of these technologies is essential for real success.

ServerWatchIn-Row Solutions for Data Centers
by Kevin Dunlap, May 24, 2007
The trend of increasing heat densities in data centers with advances in computing technology has held consistent for many years. As power density increased, it became evident that the degree of difficulty in cooling these higher power demand loads was also increasing. In recent years, traditional cooling system design has proven inadequate to remove concentrated heat loads (up to and greater than 20 kilowatts per rack). These higher densities have driven an architectural shift in data center cooling. The advent of a newer cooling architecture that was designed for higher densities has brought with it increased efficiencies for the data center.
ServerWatchImportant Power, Cooling and Green IT Concerns
By Rakesh Kumar - Gartner, January 22, 2007
There are a number of concerns related to power, cooling and green efficiency problems, including: server cooling, effects of virtualization, use of power, cooling and energy, server-vendor solutions, consolidation strategies and planning for green IT technologies in the data center. This Gartner research report discusses the effects of server growth on power and cooling issues in the data center and considers the role of server virtualization in improving server utilization and addressing green IT challenges.
ServerWatchData Center Power Management
by Drew Robb, September 11, 2006

As computing environments grow more dense, power management is becoming increasingly important. Data centers, after all, were traditionally architected for the powering and cooling 2 kW to 3 kW racks. Yet today's high-performance servers consume dramatically more power per rack. A 1U AMD Opteron or Intel Xeon server, for example, consumes approximately 300 to 400 watts. A rack of 24 such machines reaches somewhere between 7.2 kW and 9.6 kW.

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