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Asus Silent Square EVO Heatsink Review
Asus Silent Square EVO Heatsink Review
Abstract: The Asus Silent Square EVO heatsink looks like a big square block of cooling... and that description isn't too far off. The heatsink consists of two arrays of nickel plated aluminum fins which are wrapped around a 92 mm PWM fan buried within the body of the heatsink.

 Company link  Category  Published  Author 
Asus   Cooling / Heatsinks   Dec 13, 2007   Max Page  
Home > Reviews > Page Title: 360° View - Asus Silent Square EVO Heatsink

360° View - Asus Silent Square EVO Heatsink
Information on Frostytech's test methodology is available here.

The Heatsink Fan:
The 92x92x25mm fan set within the body of the Asus Silent Square EVO heatsink is PWM controlled. The fan spins at a quiet 2300RPM. Power is supplied over a 4-pin PWM compliant motherboard fan header and is backwards compatible with 3-pin connectors. Four blue LEDs internally illuminate the fan, which gives it a nice halo effect within the PC case. The body of the Silent Square EVO is 105x120mm

Heatsink Frame
With the fan shroud and 92mm fan removed from the Asus Silent Square EVO heatsink we get a better view of what goes into making this cooler. The heatsink is actually made of two separate fin arrays, each 100x32mm in size, and standing roughly 90mm high. Five 6mm diameter copper heatpipes work to ensure heat is conducted evenly across the intake and exhaust fin surfaces. At the center of the heatsink, a plenum on either side of the 25mm thick fan of 12mm is created.

Heatsink Side B:
Five 6mm diameter copper heatpipes weave through the body of the Asus Silent Square EVO heatsink. All joints are soldered. Each aluminum fin measures 0.39mm thick and is spaced 2.0mm apart from the next. If fin spacing were too tight the 2300RPM 92mm fan may have a hard time drawing air into the body of the heatsink, and even more trouble expelling it out the opposite side.

Heatsink Side C:
The Asus Silent Square EVO heatsink stands 141mm tall, and the fins make up about 88mm of that height. The 92mm PWM fan is set within the cooling fins so noise is muffled somewhat, and a collection of blue LEDs give off a nice glow. The bulk of the Silent Square EVO heatsink is elevated 48mm above the base to provide clearance for adjacent motherboard components.

Heatsink Base:
The copper base of the Asus Silent Square EVO heatsink is plated with nickel to resist oxidation, and has a sanded finish. It measures 38 x 40 mm in size. The base surface is generally flat, but not perfectly so. Surface roughness is at or better than ~32 microinches, which is considered good. The five U-shaped heatpipes are soldered the base block and to the each of the nickel plated aluminum fins.

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Table of Contents:

 1:  Asus Silent Square EVO Heatsink Review
 2: — 360° View - Asus Silent Square EVO Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD K8 Heatsink Temperature Comparisons
 5:  Intel LGA775 Final Heatsink Temperature Comparisons

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