Aluminum heatsink for CPU cooler

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Basic Info

Payment Type:	Telegraphic Transfer (TT,T/T)

Product Description

Characteristics that makes our heatsink a good one:

High heatsink surface: the surface of the heatsink where the thermal transfer takes place
Heatsinks should be designed to have a large surface, this goal can be reached by using a large amount of fine fins or by increasing the size of the heatsink itself
Good aerodynamics: heatsinks must be designed in a way that air can easily and quickly float through the cooler and reach all cooling fins
Especially heatsinks having a very large amount of fine fins, with small distances between the fins may not allow good air flow
Compromises between high surface (many fins with small gaps between them) and good aerodynamics
Also depends on the fan the heatsink is used
A powerful fan can force air even through a heatsink with lots of fine fins with only small gaps for air flow, whereas on a passive heatsink, there should be fewer cooling fins with more space between them
Simply adding a fan to a large heatsink designed for fanless usage doesn't necessarily result in a good cooler
Good thermal transfer within the heatsink
Large cooling fins are pointless if the heat can't reach them, so the heatsink must be designed to allow good thermal transfer from the heat source to the fins
Thicker fins have better thermal conductivity, compromises between high surface (many thin fins) and good thermal transfer (thicker fins) must be found
Materials used has a major influence on thermal transfer within the heatsink
Sometimes the heat pipes are used to lead the heat from the heat source to the parts of the fins that are further away from the heat source
Perfect flatness of the contact area
The part of the heatsink that is in contact with the heat source must be perfectly flat
A flat contact area allows you to use a thinner layer of thermal compound, which will reduce the thermal resistance between heatsink and heat source
Good mounting method, for good thermal transfer, the pressure between heatsink and heat source must be high
Heatsink clips must be designed to provide a strong pressure, while still being reasonably easy to install
Heatsink mountings with screws/springs are often better than regular clips
Thermo-conductive glue or sticky tape should only be used in situations where mounting with clips or screws aren't possible

High heatsink surface: the surface of the heatsink where the thermal transfer takes place

Heatsinks should be designed to have a large surface, this goal can be reached by using a large amount of fine fins or by increasing the size of the heatsink itself

Good aerodynamics: heatsinks must be designed in a way that air can easily and quickly float through the cooler and reach all cooling fins

Especially heatsinks having a very large amount of fine fins, with small distances between the fins may not allow good air flow

Compromises between high surface (many fins with small gaps between them) and good aerodynamics

Also depends on the fan the heatsink is used

A powerful fan can force air even through a heatsink with lots of fine fins with only small gaps for air flow, whereas on a passive heatsink, there should be fewer cooling fins with more space between them

Simply adding a fan to a large heatsink designed for fanless usage doesn't necessarily result in a good cooler

Good thermal transfer within the heatsink

Large cooling fins are pointless if the heat can't reach them, so the heatsink must be designed to allow good thermal transfer from the heat source to the fins

Thicker fins have better thermal conductivity, compromises between high surface (many thin fins) and good thermal transfer (thicker fins) must be found

Materials used has a major influence on thermal transfer within the heatsink

Sometimes the heat pipes are used to lead the heat from the heat source to the parts of the fins that are further away from the heat source

Perfect flatness of the contact area

The part of the heatsink that is in contact with the heat source must be perfectly flat

A flat contact area allows you to use a thinner layer of thermal compound, which will reduce the thermal resistance between heatsink and heat source

Good mounting method, for good thermal transfer, the pressure between heatsink and heat source must be high

Heatsink clips must be designed to provide a strong pressure, while still being reasonably easy to install

Heatsink mountings with screws/springs are often better than regular clips

Thermo-conductive glue or sticky tape should only be used in situations where mounting with clips or screws aren't possible

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