Using the CPU under heavy load could lead to its overheating. To prevent such a failure, more or less extensive CPU cooling systems are used. Replacing the CPU heat sink may be a good idea, even on a new CPU. Often they are equipped with standard cooling, the capacity of which may not be sufficient, especially during intensive use. In such a situation, it is worth investing in a pc heat sink with better parameters. This type of investment should also be considered when modernizing a computer. More efficient components and the software will put more strain on the CPU. A cooling upgrade is also necessary for overclockers. Overclocking to the maximum operating parameters always results in intense heating of the processor. In this category, you will find a wide selection of heat sinks, both for classic PCs and miniature SBC computers, such as the Raspberry Pi.
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BATT-MAN Click - power manager - LTC3586 - Mikroe MIKRO-2901
Index: SPF-23009
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DRV8256E - single-channel motor controller 48V/1,9A - Pololu 4038
Index: PLL-20441
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Step-Down Voltage Regulator D24V3F3 - 3,3V 0,3A - Pololu 2097
Index: PLL-01330
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Raspberry Pi Active Cooler - heatsink + fan for Raspberry Pi 5
The active cooling system is a perfect solution for those who want to run their Raspberry Pi 5 under full load without having to use a case. This system consists of a large...
Index: RPI-23925
Index: RPI-23925
Heat sink with thermoconductive tape for NanoPi NEO
Radiator with thermoconductive tape and mounting screws dedicated for minicomputer NanoPi Neo 256 MB of RAM and NanoPi Neo 512 MB of RAM.
Index: NNP-07030
Index: NNP-07030
Set of heat sinks 2x with thermoconductive tape - black
Set includes two heat sinks in sizes: 14x14mm and 9x8mm. The kit also includes a thermo-conductive tape. They can be used to cool the system of a minicomputer Raspberry Pi...
Index: MOD-09871
Index: MOD-09871
Set of heat sinks for Raspberry Pi - silver with heat transfer tape - 3pcs.
Set of 3 pieces of silver heat sinks, which are 9 x 9 mm, 14 x 9 mm, 14 x 14 mm. At the back there is a double-sided, thermally conductive tape. They are compatible with...
Index: DNG-15212
Index: DNG-15212
Set of heat sinks for Raspberry Pi 5 - with heat transfer tape - aluminium - 4pcs.
A set of four gray aluminum radiators with dimensions 17 x 17 mm, 15 x 10 mm, 13 x 12 mm and 5 x 5 mm. They ensure effective cooling of key Raspberry Pi 5 components. Each...
Index: DNG-24110
Index: DNG-24110
Heatsink 40x30x5mm for Raspberry Pi 4 with thermoconductive tape - red
Aluminium heat sink in red, dimensions 40 x 30 x 5 mm. It is a mounting element, fully compatible with the Raspberry Pi 4 minicomputer, as well as with other electronic...
Index: ODS-15698
Index: ODS-15698
Aluminum Heatsink for Raspberry Pi CM4 Compute Module 4 with thermoconductive tape - black
Aluminium heatsink designed for Raspberry Pi minicomputer ( Compute Module 4 version). Black aluminium heatsink provides good heat dissipation from CM4 board elements...
Index: WSR-19713
Index: WSR-19713
Set of heat sinks for Raspberry Pi with thermoconductive tape - 3pcs
Set includes three radiators which provide cooling for minicomputer Raspberry Pi in versions: A, B, B+, 2 and 3. They are suitable for chips placed on the board and emitting...
Index: RPI-01597
Index: RPI-01597
Heatsink 40x30x5mm for Raspberry Pi 4 with thermoconductive tape - black
The 40 x 30 x 5 mm black heat sink is compatible with the Raspberry Pi 4 minicomputer, as well as with other electronic circuits. It has a self-adhesive layer of double-sided...
Index: ODS-15380
Index: ODS-15380
Set of heat sinks for Raspberry Pi - with heat transfer tape - black - 4pcs.
The kit contains 4 pieces of black heatsinks that are 14 x 14 mm , 14 x 10 mm, 9 x 9 mm, 7 x 7 mm. There is double sided, thermally conductive tape on the bottom of...
Index: DNG-18746
Index: DNG-18746
Set of heat sinks for Raspberry Pi - with heat transfer tape - blue - 4pcs.
The set consists of 4 heat sinks in blue color. The heatsinks are designed to cool Raspberry Pi 4B minicomputer. The upper part of the heatsink consists of ribs. Heat sinks...
Index: DNG-18748
Index: DNG-18748
Heatsink RAD16 11x11x5mm - 5pcs
The heat sink with the size of 11 x 11 x 5 mm. Compatible with the Raspberry Pi minicomputer. Items are sold in sets of 5 pieces.
Index: ETN-01498
Index: ETN-01498
Heatsink with a 92mm fan for the Peltier 40mm cell
The heatsink with fan 92 x 92 mm, designed to dissipate heat from the peltier cell 40 mm. included is also the thermal conductive paste and mounting screws.
Index: DNG-10024
Index: DNG-10024
Heatsink 40x30x5mm for Raspberry Pi 4 with thermoconductive tape - silver
Silver-coloured aluminium heat sink, 40 x 30 x 5 mm. It is a mounting element, compatible with the Raspberry Pi 4 minicomputer, as well as with other electronic circuits. It...
Index: ODS-15694
Index: ODS-15694
Aluminum Heat Sink for Raspberry Pi 3 - 15x15x15mm high
High aluminum heatsink for minicomputer Raspberry Pi 3 in silver, size 15 x 15 x 15 mm.
Index: ODS-13808
Index: ODS-13808
Index: ETN-01502
Extra large heat sink with dimensions 100 x 100 x 18 mm.
Index: ETN-04847
Index: ETN-04847
Heatsink RAD04 9x9x5mm - 5pcs
Heatsink with the size of 9 x 9 x 5 mm. Items are sold in sets of 5 pieces.
Index: ETN-01338
Index: ETN-01338
Radiator RAD70 19x13x9mm TO220 - 5pcs.
Heat sink with the size of 19 x 13 x 9 mm for the cases from the series TO220.
Index: ETN-00130
Index: ETN-00130
Water block for cooling 40x40mm - aluminum heatsink for Peltier cells
Aluminum radiator with dimensions of 40 x 40 x 12 mm, designed to dissipate heat from various types of elements such as CPUs, GPUs, all kinds of integrated circuits, laser...
Index: DNG-22902
Index: DNG-22902
Index: ETN-01500
Index: AKS-12074
Heatsink 40x30x5mm for Raspberry Pi 4 with thermoconductive tape - green
Aluminium heat sink in green, dimensions 40 x 30 x 5 mm. It is a mounting element, fully compatible with the Raspberry Pi 4 minicomputer, as well as with other electronic...
Index: ODS-15697
Index: ODS-15697
What is the function of a heat sink in computer components?
The processor is very hot and may cause malfunction. The heat sink is used to dissipate the thermal energy generated by the loaded CPU and its dissipation in the air. For this purpose, efficient aluminium heat sinks are used, due to the high ability of this material to spontaneously exchange heat energy with air. Modern heat sinks are equipped with a fan that improves air exchange around the processor and significantly increases cooling efficiency. Thanks to the use of fans, it has become possible to significantly reduce the size of the heat sink. Until the mid-90s, the so-called passive cooling systems for processors, consisting of the heat sink itself. The development of technology and the increase in the efficiency of integrated circuits made it necessary to use active cooling systems.
Basic design of the heat sinks used in computer
Currently, the most commonly used solution is the active processor cooling. It may come in several versions, differing in solutions used to reduce the temperature of the processor and performance. The active heat sink is usually made of aluminium and its geometry is in the form of thin fins. The task of the heat sink is to absorb heat from the processor and exchange it with the environment. This process is supported by a fan which significantly improves the efficiency of air exchange around the heat sink. In the case of an active heat sink with heat pipes, the design is based on aluminium fins through which the so-called heat pipes, whose task is to collect heat energy from the processor and disperse it on the aluminium fins. The process of air exchange around is assisted by a fan. The size and speed of a fan translate into the airflow it can generate, and is a fundamental measure of the component's performance. Fan connector - typically a 3 or 4 pin plug that allows easy connection of the fan power supply. 3-pin plugs are used to control the fan speed by voltage, 4-pin - pulse method (PWM). A helpful component is also an insulating pad, which allows easy mounting of the heat sink in the processor socket. Standardized washers are used that allow the installation of new cooling on motherboards equipped with processors from different manufacturers. On the other hand, heat dissipation is also helped by thermal grease - it is applied to the contact surface of the processor with the heat sink. Responsible for optimal heat conduction between components. Water cooling systems are an extension of the active cooling system of the processor. They consist of a water radiator, a pump, an expansion tank and cables connecting these elements. The liquid dissipates heat and a fan or fans help cool the heatsink.
What should you consider when buying a heat sink?
Choosing a new efficient heat sink is a rather simple task. It requires determining the parameters that should be met by the new CPU cooler and selecting a component with the correct dimensions. It is worth checking parameters such as the size of the mounting socket and stands - before buying, it is worth making sure that the spacing of the heat sink mounting holes matches the processor socket. This can be checked in the technical specification of the new cooling. The dimensions of the heat sink are also important - it is better to choose a heat sink that will fit under the housing of the central unit. For this purpose, it is worth making sure that the overall dimensions of the new component allow for easy assembly. On the other hand, from the functional point of view, the fan efficiency is important, i.e. the airflow provided by the fan, which determines its efficiency and the cooling efficiency of the heat sink.