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AVC Z7U7414001 Athlon64 Socket AM2 / 939 Heatsink Review
AVC Z7U7414001 Athlon64 Socket AM2 / 939 Heatsink Review
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Abstract: Want to know what heatsink AMD rely's on for its socket AM2 Athlon64 FX and Athlon64 X2 reference platforms? The AVC Z7U7414001 heatsink.

 Company link  Category  Published  Author 
AVC   Cooling / Heatsinks   May 28, 2006   Max Page  
Home > Reviews > Page Title: AMD Athlon64 Socket AM2 Heatsink Considerations

The 940-pin socket AM2 Athlon64 processor is physically speaking, nearly identical to the previous generations of socket 754, socket 939 and socket 940 AMD K8 processors.

There is one very significant difference as far as heatsinks are concerned, and that is a newly designed plastic heatsink retention frame that attaches to the motherboard via four screw holes. A four-post metal PCB stiffener backplate rests behind the motherboard to provide support as 70+Lbs/in forces are applied.

The new socket AM2 heatsink retention frame and metal backplate are not compatible with the previous socket 754/939/940 heatsink retention frame and metal back plates, and vice-versa.

AM2 motherboards will ship with the new AM2 heatsink retention frame, and that means many existing Athlon64 heatsinks will be unuseable on the AM2 platform. All existing K8 heatsinks that screw directly into the two-post metal backplate of the socket 754/939/940 series are not usable with the socket AM2 retention module because its four-posts are positioned differently.

Lightweight (and AMD retail heatsinks) that clip onto the socket 754/939/940 heatsink retention frame center tabs will continue to be compatible with the socket AM2 heatsink retention frame. The center tabs survived the transition to socket AM2, alongside with a new type of four-post socket 478-like integrated clip points. Existing K8 heatsinks which use a cam-lock to apply pressure on the spring clip after it has been attached to the retention frame tab will also work with AM2 motherboards, though there are no lock tabs built into the retention cage.

Three tab K8 heatsink clips should also work with AM2, but it depends on how well the load forces are balanced. Uneven loading is usually associated with the very inexpensive thermal solutions of lower quality standards. If you can avoid this type of heatsink with AM2, we'd recommend doing that.

FrostyTech's K8 Test Methodology is outlined in detail here if you care to know what equipment is used, and the parameters under which the tests are conducted. Now let's move forward and take a closer look at the AVC Z7U7414001 heatsink, its acoustic characteristics, and of course it performance in the thermal tests!



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Table of Contents:

 1:  AVC Z7U7414001 Athlon64 Socket AM2 / 939 Heatsink Review
 2: — AMD Athlon64 Socket AM2 Heatsink Considerations
 3:  360° View - AVC Z7U7414001 Heatsink
 4:  Acoustic Comparisons and Base Surface Quality
 5:  Final Heatsink Temperature Comparisons

List all AVC heat sinks that Frostytech tested?

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