Computer fan

（重定向自Case fan）

A 3D illustration of six 80 mm fans, a type of fan commonly used in personal computers (sometimes as a set, or mixed with other fan sizes).

A small PC fan (30 mm, 2.56 CFM with 8,000 rpm) lying on top of a big one (250 mm, 124.71 CFM with 800 rpm)

A PCI Express 3.0 ×16 graphics card, using two fans for cooling

A computer fan is any fan inside, or attached to, a computer case used for active cooling, and may refer to fans that draw cooler air into the case from the outside, expel warm air from inside, or move air across a heat sink to cool a particular component. Generally these are found in axial and sometimes centrifugal forms. The former is sometimes called a "muffin" fan, while the latter may be called a "biscuit blower" in some product literature.

单词	Case fan
释义	Case fan 英语百科 Computer fan （重定向自Case fan） A computer fan is any fan inside, or attached to, a computer case used for active cooling, and may refer to fans that draw cooler air into the case from the outside, expel warm air from inside, or move air across a heat sink to cool a particular component. Generally these are found in axial and sometimes centrifugal forms. The former is sometimes called a "muffin" fan, while the latter may be called a "biscuit blower" in some product literature.
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