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32945 aluminum heat sink products are offered for sale by suppliers on Alibaba.com, of which aluminum profiles accounts for 40%, fans & cooling accounts for 11%, and heat sinks accounts for 7%. A wide variety of aluminum heat sink options are available to you, such as cutting, punching and decoiling.You can also choose from is alloy, non-alloy aluminum heat sink,as well as from t3-t8, t5/t6, and o-h112 aluminum heat sink, and whether aluminum heat sink is 6000 series, 1000 series, or 5000 series.