Zalman CNPS9900 LED: The End of the Nines

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Zalman coolers are usually prime candidates for fan replacement. They typically ship with loud ball-bearing fans that spin too fast. Getting at the fan is fairly easy.

The shroud is held together two long screws above the base.

With the screws removed the shroud can be pulled off with ease. It has a hinge design, like a pair of handcuffs.

The distance between the fan and the two sides of the heatsink is quite large. This may be an issue at lower fan speeds. The fan diamter is about 120 mm, slightly larger than previous Zalmans.

The back of the fan hub is protected by a plastic cap which is easily removed via three screws. To remove the fan you simply need to detach the five little arms clamped onto the interior ridge of fins pictured above.

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