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Zalman CNPS9700 LED


Now, let's have a look at CNPS9700 LED's specifications.


• Socket LGA775
• Socket 754
• Socket 939
• Socket 940

Cooler Dimensions

• 90 mm long
• 124 mm wide
• 142 mm high

Cooler Weight

690 g (without fan)
• 764 g (including fan)

Heatsink Material • Pure copper base, heatpipes and fins
• Aluminum fan bracket
Dissipation Area

• 5940 cm2


• 3 copper heatpipes

Fan Dimensions

• 92 x 92 x 25 mm

Fan Bearing Type

• Two Ball-Bearings

Rated Voltage

• 12 V

Rated Current

• 0.35A

Power Consumption

• 4.2 W

Fan Speed 1250 to 2800 (± 10%) RPM

Noise Level

• 19.5 to 35.0 dB 10%)

Power Connector

• 3-pin connector


A Closer Look

The CNPS9700 LED looks exactly like a larger copy of the CNPS9500 LED. Measuring in at 90mm x 124mm x 142mm, it weighs a hefty 764 g. That's really heavy. In fact, it's way over the maximum weight limit (450 g) for both Intel and AMD sockets.

Not only is the CNPS9700 LED larger, it also has 35 more fins than the CNPS9500 LED. That's a total of 125 fins connected to the base via heatpipes. Like the Zalman CNPS9500 coolers, the fins are made entirely from copper and are about 0.2 mm thick.

For those who had never seen CNPS9700 LED closely before, you will probably think that it has 6 heatpipes. In fact, it only has 3 heatpipes.You will see what we mean when you take a look at the pictures below.

Basically, the heatpipes start and end in the heatsink base. Starting from the base, the heatpipes go upwards and twist like the figure 8, and end on the opposite side of the base.

Like the CNPS9500 LED, the base of CNPS9500 LED was actually pretty well-polished. In fact, it's a mirror polish. Take a look at the picture below :

The base was very flat overall. Like the CNPS9500 LED, it has a raised contact area, which should not have any effect on its performance.

On the other hand, this particular sample has a small groove in the middle of the base. Hopefully, that won't affect its performance too much.

The fan's rating is printed on the sticker located behind the fan. This is also where you can find the power connector for the fan.

Unlike the CNPS9500 AT, which comes with a 4-pin connector, the CNPS9700 LED uses a 3-pin connector.


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