With rising energy costs continuing to demand larger portions of organizational budgets, Dell Inc. (Dell) commissioned its Server Performance Analysis team to use the industry standard SPECpower_ssj2008 benchmark to compare the power draw and performance per watt of blade solutions from Dell, HP, and IBM. The purpose of the testing was to examine on a level playing field the true power efficiency of the top three global blades server providers and compare and contrast the results. Each blade configuration included an enclosure configured as similarly as possible and was fully populated with each company’s best-selling blade servers1 using identical processor, RAM and hard drive selections.