TechPowerUp posted a review on the Thermalright Macho Rev.B
A quote from the article:
Thermalright looks to improve upon the ever-popular Macho series with the new Macho Revision B. This revision offers an offset design for better memory compatibility while sticking with a massive single tower. Offering fantastic performance for the price when compared to ultra high end solutions, it could very well be just what you are looking for.Thermalright Macho Rev.B @ techPowerUp