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The 40-watt Dual-Core Intel Xeon processor models consume up to 40 percent less
energy than a standard dual-core processor running at the same frequency.

NOTE Dell is also working with Microsoft and VMware to provide optimized virtualization
solutions. We cover server virtualization more in Chapter 12.

Combining power-consumption savings with reductions in cooling and power costs, the
Dell datacenter solution can save businesses hundreds of dollars per server every year.
Large datacenters can save more than US$1 million each year.
Dell offers a calculator on its website (see www.greenitinfo.com/links and click
Link 9-1) that can help you compare server models and features. It also shows you the lessened
environmental impact of a given model along with the cost savings, as Figure 9-1 shows.
Compared to standard configurations, using PowerEdge Energy Smart servers means:

• For every four servers, you can run a fifth at no additional energy cost.
• You can fit four more 2U servers per rack without adjusting the power specs.
• For every four racks, you can add one complete rack at no additional energy cost. PART IV

FIGURE 9-1 At the Dell datacenter website, you can compare models to see how much less of an impact
a given server will have, along with the cost savings you can expect.