Heat sink
- Dissipate heat through thermal conduction
- Copper or aluminum alloy
- Fins/grid increase surface area
- Heat is then transferred to the cooler air
- Thermal "grease" creates a good contact between the chip and the heat sink
- They get HOT- don't touch them!
- Designed to cool an entire adapter card
- Can be bulky
- May take additional adapter card space
- Usually seen on high end graphics cards
- Cool air is pulled through a personal computer
- Always check for good airflow
- Motherboard layout becomes important
- Component location is key
- Devices, wiring, power
- Many different sizes and styles
- And volume levels
- Standard sizes
- i.e., 80 mm, 120 mm, 200 mm
- Different speeds
- Variable speed
- Different noise levels
- Not all fans sound the same
- Coolant is circulated through a computer
- Not a new concept
- Automobiles, mainframe computers
- High-end systems
- Gaming, graphics
- Overclocking
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