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Thermaltake Silent Boost A1889-01 Copper Heatsink
Thermaltake Silent Boost A1889-01 Copper Heatsink
Abstract: Quiet heatsinks have soared in popularity as manufacturers have been forced to develop more efficient designs which cool better, quietly.

 Manufacturer  Category  Published  Author 
Thermaltake   Cooling / Heatsinks   Feb 26, 2004   Max Page  

Home > Reviews > Page: Closer Examination of the Heatsink

Thermaltake Silent Boost Heatsink From All Angles

The Fan:
The 80mm fan draws as little as 0.14A, and rotates at 2450RPM to provide the necessary airflow to keep the Silent Boost running smoothly, and quietly. The fan connects to a standard 3-pin motherboard fan header. A wire fan grill would have been a nice addition to this heatsink, but Thermaltake do not provide one.

Heatsink Top:
The Silent Boost will accept either an 80mm or 70mm fan as we can see by the two sets of screw holes in the aluminum fan shroud. The support holds the fan about 4mm above the tips of copper fins. The fins are attached to the copper base at the bottom with 1mm folds of metal, and soldered in place.

Side A:
There are a total of 41 copper fins on the Thermaltake Silent Boost that are about 0.2mm thick, and spaced 1.4mm apart. The copper base measures 6mm thick, but doesn't cover the entire surface of the base - it measures just 51x60mm.

Side B:
The aluminum fan shroud simply holds the fan in place and helps to direct some of the airflow from the 80mm fan back down along the sides of the Silent Boost's copper fins. The heatsink, which weighs about 400grams, is held in place by a three-prong clip mechanism which requires a screwdriver to engage. This type of mechanism is usual more stable at holding large or heavy heatsinks firmly in place on the small processor core.

Heatsink Base:

The base of the Silent Boost heatsink is sanded down to a slightly domed surface, but the curve is so slight that it shouldn't have too much of an effect on thermal transmission. All the same, a few minutes of lapping wouldn't hurt. The surface roughness is typical of such sanding operations. The base is undercut 2mm for socket cam arm clearance.

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Thermaltake Silent Boost A1889-01 Copper Heatsink
 2: — Closer Examination of the Heatsink
 3:  Heatsink Thermal/Acoustic Test Parameters
 4:  Surface Roughness Comparison
 5:  Synthetic Temperature Test Results

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