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Thermolab BARAM Heatsink Review
Thermolab BARAM Heatsink Review
Abstract: The 625gram Thermolab BARAM heatsink is compatible with socket 775 Intel Core 2 Duo/Quad and socket AM2/AM2+ AMD Phenom processors.

 Company link  Category  Published  Author 
Thermolab   Cooling / Heatsinks   Feb 28, 2009   Max Page  
Home > Reviews > Page Title: 360° View - Thermolab BARAM Heatsink

360° View - Thermolab BARAM Heatsink

Information on Frostytech's test methodology is available here.

Thermolab's BARAM heatsink ships without a fan, but by using the supplied wire clips (two pairs supplied) a 120mm fan can be attached to one, or both sides of the 117mm tall fin tower. Five 6mm diameter copper heatpipes extend from the base up through the aluminum fins on a fairly wide spacing, but at the base you'll note they are covered by a 3mm thick copper plate. Each aluminum fin measures 0.3mm thick and is spaced 1.5mm from the next, though from the front/rear the leading/trailing edges are spaced 4.0mm apart. The heatsink stands 160mm tall, the first fin 45mm above the base.

The nickel plated copper base of the BARAM heatsink measures 40x31mm in size, and has a very smooth finish. The five 6mm diameter copper heatpipes are soldered to each side of the copper base, the holes are for the CPU mounting brackets to attach. From the top you can see the widely spaced heatpipes swagged into the 132x55mm aluminum fins. Each heatpipe is spaced 10-13mm away from the others, so heat is conducted into the aluminum over a larger total area. Also note the unique "scalloped" leading/trailing edge fin geometry.

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 engineers straight edge or proven flat surface, in two axis.

The Thermolab BARAM heatsink has a surface roughness of approximately 8 microinches, owing in large part to the nickel plating the copper heatspreader has received. The base has a smooth and generally very flat in both axis.

Up next, acoustic measurements with each of the fans....

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Table of Contents:

 1:  Thermolab BARAM Heatsink Review
 2: — 360° View - Thermolab BARAM Heatsink
 3:  Sound Level Measurements: Which Heatsink is Quietest?
 4:  AMD K8 Heatsink Temperature Comparisons
 5:  Intel LGA775 Final Heatsink Temperature Comparisons

List all Thermolab heat sinks that Frostytech tested?

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