Pros: Cheap, compact, supports all sockets, VERY simple installation, good price/performance ratio
Cons: No extra thermal compound included, high temperature difference between low/high speeds
Summary: Deepcool Gammaxx S40 offers adequate performance for moderate overclocking for just under $30. It is compact, easy to install and not too noisy. Due to its 143 mm height it should fit narrow Micro-ATX cases.