I changed Cooler Master Hyper 212 Evo's fan with a 14 cm Akasa Viper R High Performance S-Flow fan Amazing difference :) | Overclock.net
![Akasa 120mm x 25mm Apache Black (CAMO) Super Silent PWM Fan w/ Hydro Dynamic Bearings - Camo (AK-FN057) - Walmart.com Akasa 120mm x 25mm Apache Black (CAMO) Super Silent PWM Fan w/ Hydro Dynamic Bearings - Camo (AK-FN057) - Walmart.com](https://i5.walmartimages.com/asr/d2d9db31-fc1b-43b5-a367-3a887ae6cefe.05f1b0e86b81021664f4ce30bf158faa.jpeg)
Akasa 120mm x 25mm Apache Black (CAMO) Super Silent PWM Fan w/ Hydro Dynamic Bearings - Camo (AK-FN057) - Walmart.com
![Akasa 140mm Viper R Fan, PWM Case Fan, HDB Long Lifespan Bearing, Anti-Vibration Rubber Mounts Included, High Airflow S-Flow Fan for Heatsink, CPU Cooling and Ventilation, AK-FN073 Akasa 140mm Viper R Fan, PWM Case Fan, HDB Long Lifespan Bearing, Anti-Vibration Rubber Mounts Included, High Airflow S-Flow Fan for Heatsink, CPU Cooling and Ventilation, AK-FN073](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71MuEoUHu7L.jpg)
Akasa 140mm Viper R Fan, PWM Case Fan, HDB Long Lifespan Bearing, Anti-Vibration Rubber Mounts Included, High Airflow S-Flow Fan for Heatsink, CPU Cooling and Ventilation, AK-FN073
![Akasa 140mm x 25mm Apache Black Super Silent PWM Fan w/ Hydro Dynamic Bearings - Black (AK-FN062) - Welcome to BlueStreakPC! Akasa 140mm x 25mm Apache Black Super Silent PWM Fan w/ Hydro Dynamic Bearings - Black (AK-FN062) - Welcome to BlueStreakPC!](https://www.bluestreakpc.com/images/cache/Computer_Fans/Akasa/fan-905.600.jpg)