CARACTERISTICAS DE DISIPADOR DE CALOR ARCTIC COOLING NV SILENCER 5 REV 3 

Features:
Easier Installation
New clip and back plate design for better fit.
Thermal paste is already pre-applied to the heatsink.

Exhanced Compatibility
New fan casing design to enhance compatibility.

Ripple Noise Solution
A filter is integrated into the PCB to reduce the noise generated from the motor.

Extremely quiet
A large fan and optimized fanblades offer a minimum noise level at a high air flow.

Unique Cooling Performance
Highest fin surface area and a 3.5 mm thick copper base achieve best cooling performance at its noise level.

Efficient Memory Cooling
With this highly efficient heatsink the memories get cooled up to 6 times better than without memory cooling.

High Service Life (L10 at 30°C: 274000h)
Our ARCTIC Ceramic Bearing (alloy bearing and Ceramic shaft) provides our fans with an outstanding service life.
6 Years Warranty

DHES (Direct Heat Exhaust System)
The DHES draws cool air from inside the case and exhausts warm
air outwards. This prevents the fan from recycling warm air to cool the
GPU, which increases cooling performance.
Further the DHES lowers the air temperature inside the case, because the heat
of the GPU will be carried out directly.

Easy Installation
Compared to our VGA Silencer, we could ease the installation process significantly.

Technical Data
Fan: 72 mm
Overall Dimensions: 218.5 x 100 x 31 mm
Rated Fan Speed: 2000 RPM
Bearing: ARCTIC Ceramic Bearing
Noise Level: 0.9 Sone
Weight: 428 g
Warranty: 6 Years

Compatibility:
Cooler Alignment
The cooler has to be aligned upside down or vertical. This is the case in any ATX Tower or Desktop chassis.
The impeller will sit o­n the bearing in case of using the cooler top side up what doesn't lower the service life but can increases the noise level.

Compatibility
With this height restriction drawing you can check your VGA board for compatibility with our cooler.
First you have to check the position of the mounting holes. Then check the height of the components.
If some components are slightly higher than our fancasing allows, you can relatively easy cut the fan casing.
To do so we suggest you first to uninstall the fancasing bottom. Then cut the bottom in the area of the component that caused the conflict and reinstall the bottom again.
We use ATIs respectively NVIDIAs standard power plugs. Asus is unfortunately not following ATIs/NVIDIAs solutions and therefore our plug doesn't fit. You can either cut both plugs and connect the wires correspondingly or you can also get 12 Volt power directly from the PSU. There you have to connect the wires as follows: black with black and red (VGA) with yellow (PSU). The yellow cable from the VGA is an RPM signal, that is not needed. 

NV Silencer Compatibility (on Nvidia boards)
The NV Silencer 5 is basically compatible to the NVIDIA 7800 series boards except the power plug. You can take the power from the VGA board with connecting the black and red wire or you get the power from the PSU directly. Best is you buy a Y-cable for the 5.25" power cables, cut o­ne plug of it and connect black with black and red (VGA) with yellow (PSU) in order to get 12V. Remove the isolation of the cables and twist them into each other, then isolate it with tape.

Additional Information:
Noise Level
All measurements are taken using full fan speed.
The noise level is measured in Sone (loudness) instead of dB (sound pressure).
The loudness depends upon ears response curves and tells you exactly, how bothering a certain noise is. Sone takes the frequency and bandwidth of a sound into account.
A doubling of the number of Sones sounds to the human ear like a doubling of the loudness.
The comparison of products from different manufacturers is basically impossible, since all manufacturers measure in different ways. Even a rough translation from Sone to dB doesn't help. A 15dB cooler can be louder than a 1 Sone cooler from another manufacturer.

Nevertheless with the Sone data you can compare our coolers between each other and get a quite precise idea how annoying the product will be.
1 Sone: nearly inaudible in a computer case
2 Sones: clearly audible
3 Sones and more: disturbing 

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