Today we are looking at a first for 'fans' of computer fans ? a design from Deepcool's Gamer Storm brand which features 2-layer blades. Due to this subtle change the blades on the impellers of these fans look like the spoilers on race cars. The question is, do they have any impact? We will be looking closely at this fan.

Deepcool have this to say:

TF 120 series feature unique patented 2-layer blade design to offer a powerful air pressure, the scientific channelized frame to reduce the noise arose by the whirlpool of airflow, and semi-hermetic Fluid Dynamic Bearing solution to power MTBF up to 100,000 hours. The TF120 series fan's advanced detachable blade design to give more color choice built-in 3-proof functions (Dustproof, Waterproof, Oil-leakage proof), which satisfy your DIY enthusiasm to build a unique rig.