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In a active heatsink system you have both a heatsink and a fan thus for the most part an active heatsink cools better with one exception. Should the fan fail the active heatsink will quickly overheat.
Passive heatsinks relay on transferring heat without the aid of a fan. The advantage here is that a passive heatsink is fail proof and uses 0 electricity, however passive heatsinks don't typical cool as well.
Passive heatsinks work great for supporting chips and RAM cooling. They are also found in servers because of the no fail aspect.
EnzoTech produces some passive heatsinks you can read a bit more about them here:
http://electricalninja.com/
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoActive generally means that there is a power source, such as a cooling fan.
Passive generally means that it does NOT use a power source, such as a heat sink and cooling fins that use rising air to cool.
Wiki User
∙ 13y agoAn (active heat sink) uses a fan to cool down the heat sink. A (passive heat sink) doesn't have a heat sink fan.
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