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Arctic Cooling Silencer 64 Ultra TC Athlon64 Heatsink Review
Arctic Cooling Silencer 64 Ultra TC Athlon64 Heatsink Review
  74%   
Abstract: The heatsink is constructed from a simple aluminum extrusion, and aside from the rather odd-looking low noise fan is pretty straightforward.

 Manufacturer  Category  Published  Author 
Arctic Cooling   Cooling / Heatsinks   Nov 28, 2005   Max Page  

Home > Reviews > Page: 360° View - Silencer 64 Ultra TC Heatsink
360° View - Arctic Cooling Silencer 64 Ultra TC Heatsink
Information on Frostytech's test methodology is available here.
The Heatsink Fan:
The fan is probably the most important aspect of the Silencer 64 Ultra TC heatsink. It is suspended upside down by four posts which connect to the motor body. The 7-bladed impeller spins freely, and utilizes Arctic's Ceramic Bearings. Fan speed ranges from 1000RPM to 2500RPM, and so airflow from 18CFM to 46 CFM. The fan draws power from a standard 3-pin motherboard connector that supports RPM monitoring. There is no manual control for the thermistor controlling fan speed.

Heatsink Top:
There are no cross cuts in the body of the Silencer 64 Ultra TC heatsink, and the fins have a smooth finish. Note the thermistor wedged in between the aluminum fins at the lower left side. The heatsink retention clips are screwed directly into the body of the cooler, which is a good change from how these mechanisms are usually configured. The fan attaches directly to the extrusion with a couple of spring clips, so there are no screws required.

Heatsink Side A:
The two wires leading into the space between the bent aluminum fins are where the thermistor is located. The thermistor controls the fan speed (1000-2500RPM), and consequently the amount of noise generated by the Silencer 64 Ultra TC heatsink. The unique fan design suspends the impeller blades a few millimeters above the tips of the heatsink. The fins are 1mm thick, and spaced 1.8mm apart. The height of the heatsink fins averages 27mm, with the base thickness between 8-11mm.

Heatsink Side B:
There are two separate clips on the Silencer 64 Ultra TC heatsink. Both latch onto all three prongs of the K8 retention frame, but are not mechanically joined together. This allows the central space of the heatsinks to remain usable for the business of cooling, and is a simple but very nice design choice. The outside surfaces of the aluminum extrusion are scalloped, the inner fins are not.

Heatsink Base:
The 68x78mm aluminum base has a face-milled finish which is quite flat in the central space, but with a surface roughness of ~63 microinches. The heatsink comes with a small tube of silicon thermal compound.

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Arctic Cooling Silencer 64 Ultra TC Athlon64 Heatsink Review
 2: — 360° View - Silencer 64 Ultra TC Heatsink
 3:  Surface Roughness and Acoustic Comparisons
 4:  Final Heatsink Temperature Comparisons

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