Alpha P7125CM60 w/ Sanyo Denki fans
 
After looking at the P7125/YS Tech combination, let's have a look at the "original" P7125CM60, as Alpha ships it:
 
The fans  

 

The Sanyo Denki fans used by Alpha spin at 3750rpm, and move 20CFM each, which means that they're not quite as efficient as the YS Tech fans, but much more silent. Lower noise or better performance is a choice that you will have to make. Personally, I'd rather chose the original Alpha with Sanyo Denki fans. It would be exaggerated to call the P7125CM60/Sanyo Denki "silent", but the noise level is much more bearable than with the YS Tech fans.
 

Installation

 
Everything said about installation in the P7125/YS Tech review also applies to this combo. Alpha does not include a Molex Y-Adapter, so you will need two available fan connectors on the motherboard.
 

Conclusion

 
This heatsink/fan combo is a very good choice for noise-sensitive overclockers. The problem is that this heatsink is not very widely available in the US, and it is very expensive if you buy it directly from Alpha.
 
Alpha P7125CM60/Sanyo Denki at a glance
Fans: Two 60x25mm Sanyo Denki
Fan rpm (measured): 3750
Weight: 560g (!)
Advantages
  • very good cooling performance
  • bearable noise level
Disadvantages
  • very high price
  • very heavy
  • blocks one DIMM slot on K7M
  • not very widely available
Alpha P7125 w/ YS Tech fans The Montac ArcticCircle
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