From Cooler Master's Product Page on the Sickle Flow, Cooler Master says this about their Sickle Flow fans:
But we are looking at an evolution of Sickle Flow fans -- they are Sickle Flow X. They have a POM bearing, which has a 160,000-hour life. The specs remain the same:
The Sickle Flow X fans arrived with the same accessories noted above: a standard Molex-to-fan adapter and a bag of screws.
Last year when we tested fans on a heatsink, the Sickle Flow did fairly well. One thing that was not emphasized then: these fans purr. They make a pleasant sound.
R4 series fans offer a unity of maximum rotational speed and optimum airflow. Using a unique long-life sleeve bearing fan, the R4 series offers long life rating of 50,000 hours. R4 series fans perform at a maximum of 69CFM at 2000RPM. These R4 series are available in red, green, blue LED and dark smoke (no LED).
• Up to 69CFM (maximum RPM)
• 19 dB-A silent application for CPU cooling.
• RoHS compliance for protecting the environment
• Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, HAF 932, HAF 922, CM Storm Scout and Sniper.
• 50,000 long life hours.
• Up to 69CFM (maximum RPM)
• 19 dB-A silent application for CPU cooling.
• RoHS compliance for protecting the environment
• Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, HAF 932, HAF 922, CM Storm Scout and Sniper.
• 50,000 long life hours.
But we are looking at an evolution of Sickle Flow fans -- they are Sickle Flow X. They have a POM bearing, which has a 160,000-hour life. The specs remain the same:
The Sickle Flow X fans arrived with the same accessories noted above: a standard Molex-to-fan adapter and a bag of screws.
Last year when we tested fans on a heatsink, the Sickle Flow did fairly well. One thing that was not emphasized then: these fans purr. They make a pleasant sound.
