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Airen RedWings 120 Deluxe
The 120 Deluxe is a fixed speed fan with no clever PWM or TC speeds controls. It spins at 1200rpm, providing a good compromise between airflow and noise emission. The only accessory that Airen supply with this fan, besides a set of four screws with washers, is a silicon gasket preattached to prevent vibrations being transferred to your PC case.
It has both 3-pin and 4-pin molex connectors so you can power the fan from the headers on your motherboard or directly from your PSU. It has a rated noise level of 14.9 dBA and airflow of 38 CFM. Like all the other Airen fans we have here today, the 120 Deluxe has a red fan blade with seven fins and a black housing.
Airen Redwings 120 Clever Deluxe
Airen use the word ‘Clever' to describe the PWM functionality of this fan. For those who are not aware, the PWM function automatically adjusts the fan speed for you based on temperature information from your motherboard. So the fan operates across a range of speeds which, in this case, is 400 – 1600rpm.
The fan has a 4-pin PWM connector and is also supplied with a silicon gasket to reduce vibrations. It has a rated noise level of 10.5 – 24.5 dBA and airflow of 26.5 – 68 CFM depending on speed.
Airen RedWings 120 TC
As you may have guessed, the letters ‘TC' in the name of this fan stand for ‘Temperature Controlled'. So what does this mean? In essence, this is very similar in principle to a PWM fan, varying the speed with temperature. But, in this case, the temperature information is gathered by an inbuilt temperature probe rather than from the motherboard.
In the past, we have found temperature controlled fans to be less effective than PWM fans as they rely on case temperature rather than the temperatures of hot components. The fan speed of this fan remains at 700rpm until the case temperature reaches 35c, after which it rapidly accelerates to 1600rpm. This model has only a 3-pin connector and isn't supplied with a silicon gasket. The noise level of the fan is rated at 10.5 – 21.5 dBA and the air flow is rated at 28.2 – 68.6 CFM.
Aimaxx eNVicooler 12
The Aimaxx fans that we have here look almost identical in form to the Airen fans apart from the different coloured fan blades. We actually prefer the green fan blades of the Aimaxx fans to the red of the Airen even though we can't see it fitting in aesthetically with many setups. The eNVicooler 12 spins at 1200rpm out of the box but this can be reduced to 700rpm using the included adapter. The rated noise level of this fan is 9.8 – 12.8 dBA and air flow of 24.3 – 68.6 CFM. Instead of the gaskets used for the Airen fans, the Aimaxx fans have silicon fan mounts to reduce vibrations.
Aimaxx eNVIcooler 12 PWM
The final 120mm fan we have here today is the Aimaxx eNVicooler 12 PWM which is essentially the eNVicooler 12 with added PWM support. Like the Airen PWM fan, the Aimaxx PWM fan spins at a speed of 400 – 1600rpm but with a reduced noise level of 9.3-22.8 dBA. The airflow of 14.9 – 68.6 CFM isn't quite as good as the Airen fan at the bottom of the speed range but has the same maximum airflow. This fan is also supplied with a 4-pin PWM connector and four anti-vibration silicon fan mounts.
