About the CPU Coolers

• What is a CPU cooler? What is its design theory?
• Why the CPU cooler is an essential device?
• How to purchase a high quality CPU Cooler?

Doubt You Might Have

Cooler

• What's the life in use a good cooler should pursue?
• How do you know the cooler is out of order?
• How's the quality of the cooler in BOX CPU (CPU + CPU cooler) that goes with the purchase of CPU?
• Is a bigger cooler better at heat dissipation work?
• How do we install a CPU cooler? Anything we should pay attention to?

Fan

• What is sleeve bearing?
• What is ball bearing?
• If a fan is with ball bearing, is the bearing just ball only?
• How do we know the kind of bearing system of a cooler if the label doesn't show?
• What is 3 wire fan? (fan with rotation signal output to detect rotation and RPM)?
• Do fan blade shape and numbers of blade matter?
• Some fan makers also produce coolers, how do we see the cooler they have?

Heatsink

• How do we judge which kind of heatsink is better?
• Is heatsink the higher the better?
• Does heatsink color affect heat dissipation?
• Hot air rises from the CPU, How is the air flow direction of a cooler better? Suck above or blow down to heatsink (CPU)?

Other Questions

• What is the general price for CPU cooler?
• Is it necessary to install a cooler with Peltier Element?
• Is a cooler with alarm function necessary?
• How do we know the shutdown of a PC is caused by the cooler out of order?
• Should we use gap tape?
• Should we use heat paste?
• Why are there some vendors also say their coolers are number ONE among tests?
• What is thermal resistance?