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BeQuiet Shadow Rock Slim Heatsink Review
BeQuiet Shadow Rock Slim Heatsink Review
Abstract: BeQuiet's Shadow Rock Slim heatsink stands 159mm tall and has a footprint of 130x74mm so it will fit most motherboards where space between the memory slots and videocard is on the tight side.

 Manufacturer  Category  Published  Author 
BeQuiet   Cooling / Heatsinks   Jun 08, 2014   Max Page  

Home > Reviews > Page: 360° View - BeQuiet Shadow Rock Slim Heatsink

360° View - BeQuiet Shadow Rock Slim Heatsink

Information on Frostytech's test methodology is available here.

BeQuiet 's Shadow Rock Slim heatsink ships with a 135x22mm PWM fan that draws power from a standard 4-pin fan header. The 159mm tall heatsink uses four 6mm diameter copper heatpipes which pass through a 110mm tall fin stack. The raw aluminum fins measure 0.4mm thick and are spaced 1.8mm apart. The bottom-most fin is elevated 40mm above the socket for clearance.

The heatsink is 130mm wide and 74mm deep. The heat pipes are soldered to the copper base plate/aluminum top cap and swaged into the aluminum fins. The outer-most heatpipes are piped to the center of the base plate and the inner-most heatpipes to the outside of the base plate. This arrangement conducts CPU heat to the region of aluminum fins which receive the highest airflow.

The nickel plated copper base of the BeQuiet Shadow Rock Slim measures 40x40mm in size and is between 2-5mm thick. The aluminum support on the top-side of the heatpipes is 6.5mm thick. An aluminum bezel and turned caps give the heatsink a clean visual look at the top of the heatsink. The leading and trailing edges of each fin have a pair of winglets to help break up laminar airflow.

Base Finish and Flatness

Flipping a heatsink over to inspect the business end is often a simple indicator of overall cooler quality. More practically speaking, a heatsink is in many ways only as effective as the contact it makes with the processor - the flatter and smoother the better. Base finish is one of the criteria that Frostytech measure in the course of evaluating heatsinks, and it involves two distinct aspects. Surface Finish is the first; this is calculated with the aid of Surface Roughness Comparator that has a cross section of common machine surface finishes and their numerical surface roughness equivalents in microinches. The second is Surface Flatness. This is tested with an engineer's straight edge or proven flat surface, in two axes.

BeQuiet's Shadow Rock Slim has nickel plated copper base plate soldered onto four heatpipes, this plate acts as a heat spreader. The finish on the baseplate is polished smooth, surface roughness is higher than ~8 microinches. Base flatness is very good in both axes, with only a slight rise towards the edges from the plating process.

Sound level measurements are coming up next on Frostytech...

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Table of Contents:

 1:  BeQuiet Shadow Rock Slim Heatsink Review
 2: — 360° View - BeQuiet Shadow Rock Slim Heatsink
 3:  Sound Level Measurements: Which Heatsink is Quietest?
 4:  AMD Heatsink Temperature Comparisons
 5:  Intel LGA115x/775 Heatsink Temperature Comparisons
 6:  Intel LGA2011 Heatsink Temperature Comparisons

List all BeQuiet heat sinks that Frostytech tested?

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