I have been using Scythe Mugen 3 CPU coolers on my Xeons X5670 for the past four years which have been solid performers. Now I want to switch to new coolers for certain reasons and my main contenders are various Thermalright Macho versions (HR-02, grand macho and HR-22) and Scythe Ninja 4. For me, q...

I have been using Scythe Mugen 3 CPU coolers on my Xeons for the past four years which have been solid performers. Now I want to switch to new coolers for certain reasons and my main contenders are various Thermalright Macho versions (HR-02, grand macho and HR-22) and Scythe Ninja 4. For me, quiet c...