HOW EFFICIENT IS YOUR POWER SUPPLY?
An initiative to improve the efficiency of power supplies is known as the 80PLUS program (www.80plus.org). If your new equipment is ENERGY STAR compliant, then it already has an 80PLUS unit inside of it.
Companies fixate on the initial purchase cost of equipment and not the cost of operating a device over its useful life. Therefore, manufacturers cater to this desire by using less efficient and more inexpensive power supply units to win sale. However, as more companies insist on ENERGY STAR compliance, they will begin to benefit from the greater efficiency.
An 80PLUS unit runs with about one-third more efficiency than a "legacy" power supply. It uses less power and generates less heat. This results in diminished thermal stresses on the equipment, greater reliability, and a longer service life.
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