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Cho Liang CB0315U17 Copper Heatsink Review
Cho Liang CB0315U17 Copper Heatsink Review
Abstract: On the plus side, this finish leaves the heatsink looking like a shiny aerodynamic block of copper.

 Company link  Category  Published  Author 
Cho Liang   Cooling / Heatsinks   Jul 15, 2002   Max Page  
Home > Reviews > Page Title: Close up look at the heatsink

CB0315U17 From All Angles

The Fan:

The Power Logic fan produced an interesting affect when working on the CB0315U17 heatsink. The noise signature would pulsate in an uneven fashion. We don't have a concrete explanation for this, but it may be do to back pressure issues. In any event the fan is attached to the copper fan shroud which keeps the fan about 6mm above the tips of the fins. The fan draws power via a three-pin motherboard fan header which supports RPM monitoring.

Top: The fins in this heatsink are punched out separately and then brazed to the base. They are not interlocking and so the appearance is not as finished looking as other manufacturers are able to produce. The copper is thin, perhaps 0.1mm thick, but because of the mounting, doubled up on each side by adjacent fins. Fins are spaced 1.25mm apart and are 25mm in height.

Side A: The manufactures name is stamped into the side of the heatsink fan shroud which is bonded to the copper base by some permanent means (solder, or perhaps brazing). The heatsink body is 60mm in size, but the fan is 70mm so the shoud extends out to meet it.
Side B:
A three prong clip is getting to be a luxury AMD owners should never be without. Given the high forces that AMD specs out for the heatsinks it is a wonder that more socket mechanisms are not damaged more often. The large thumb grip makes engaging the heatsink an easy task - and no tools are required.

Heatsink Base:

The base appears really rounded off, and un flat at first glance. On closer testing we found that the base was indeed flat over the area where it makes contact with the AMD processor so all should be good. Since the surface has been polished it is nice and shiny - however it is still a good idea to use thermal paste for the bond between the CPU core and base of the heatsink.

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Table of Contents:

 1:  Cho Liang CB0315U17 Copper Heatsink Review
 2: — Close up look at the heatsink
 3:  New Heatsink Test Parameters
 4:  Acoustic Test Results
 5:  Synthetic Temperature Test Results

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Time stamped: 6:21PM, 08.22.2019
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