17 Facts About CPU cooling

1.

Computer CPU cooling is required to remove the waste heat produced by computer components, to keep components within permissible operating temperature limits.

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2.

Many air and liquid CPU cooling systems were devised and investigated, using methods such as natural and forced convection, direct air impingement, direct liquid immersion and forced convection, pool boiling, falling films, flow boiling, and liquid jet impingement.

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3.

Thermal conduction modules using water CPU cooling were used in mainframe systems manufactured by other companies including Mitsubishi and Fujitsu.

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4.

Piping, heat exchangers, and pumps for the CPU cooling system were arranged in an upholstered bench seat around the outside of the base of the computer.

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5.

Recent supercomputer projects such as Blue Gene rely on air CPU cooling, which reduces cost, complexity, and size of systems compared to liquid CPU cooling.

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6.

Passive heatsink CPU cooling involves attaching a block of machined or extruded metal to the part that needs CPU cooling.

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7.

Passive CPU cooling involves no fan noise as convection forces move air over the heatsink.

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8.

Fan CPU cooling is often used to cool processors and graphics cards that consume significant amounts of electrical energy.

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9.

Liquid CPU cooling is a highly effective method of removing excess heat, with the most common heat transfer fluid in desktop PCs being water.

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10.

Disadvantages of liquid CPU cooling include complexity and the potential for a coolant leak.

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11.

Liquid cooling is typically combined with air cooling, using liquid cooling for the hottest components, such as CPUs or GPUs, while retaining the simpler and cheaper air cooling for less demanding components.

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12.

IBM Aquasar system uses hot water CPU cooling to achieve energy efficiency, the water being used to heat buildings as well.

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13.

Since 2011, the effectiveness of water CPU cooling has prompted a series of all-in-one water CPU cooling solutions.

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14.

Undervolting is used for quiet systems, as less CPU cooling is needed because of the reduction of heat production, allowing noisy fans to be omitted.

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15.

Phase-change CPU cooling is an extremely effective way to cool the processor.

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16.

Alternately, a new breed of the CPU cooling system is being developed, inserting a pump into the thermosiphon loop.

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17.

Direct Contact Liquid Cooling has emerged more efficient than air CPU cooling options, resulting in smaller footprint, lower capital requirements and lower operational costs than air CPU cooling.

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