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heat sink Last modified: Wednesday, January 15, 2003
A component designed to lower the temperature of an electronic device by dissipating heat into the surrounding air. All modern CPUs require a heat sink. Some also require a fan. A heat sink without a fan is called a passive heat sink; a heat sink with a fan is called an active heat sink. Heat sinks are generally made of an aluminum alloy and often have fins.
Hardware Central Detailed test reports on the latest desktop and laptop computers. Plus news on trend-setting products just coming into the pipeline. The HeatSink Guide Web site devoted to information about heat sinks. Includes general information, product reviews, and links to other sites with related information.	Related Categories Hardware Motherboards Related Terms Btu CNR motherboard voltage regulator