In Win Sirius Loop ASL 120

Visual inspection

The In Win Sirius Loop ASL 120 is a fan designed mainly for airflow, thanks to the shape of the impellers and the maximum speed of 1800RPM. The design of the Sirius Loop fan is centered around the addressable RGB LED ring, placed around the lower side of the frame and above the impellers. The Sirius Loop uses a Long Lifespan Sleeve Bearing and has the standard dimensions: 120 x 120 x 25 mm.

 

The 7 blades used on the Sirius Loop have a narrow shape that also arches backwards on a steep angle. Narrow impellers are used on airflow focused or general-purpose case fans. The blades and hub assembly are manufactured out of hard plastic with little flexing, while the texture is smooth.

 

The back side of the fan is simple; the back of the motor hub is covered by a label that has the important technical information. This includes the full model name, the product number and the power required to power the fan itself and the RGB LED system integrated within the frame. The four beams that keep the impeller and hub assembly centered are wide but are also angled to reduce the wind turbulence and also to direct the airflow.

 

A unique feature found on the Sirius Loop is the cooling done to the internal components inside the hub. On the front of the fan hub, there are seven cutouts that allow for fresh air to enter inside the hub. These cutouts are also shaped to draw fresh air inside the hub, while the fan is spinning.

 

The corners of the fan are designed to allow for the placement of the included rubber pads. Each rubber pad sits inside a special frame within the structure of the corner, and is also self-adhesive.

 

The RGB system is contained inside a thin ring that is found on both sides of the fan. This ring is continuous on the front side, but is interrupted on the back side. This difference in design was mostly done to increase the rigidity of the frame at the back, while also being easier to power the LEDs.

The In Win Sirius Loop ASL 120 uses two sets of cables for powering the addressable RGB LEDs and the fan itself. The power is delivered through a single 4-Pin Molex connector that is also PWM compatible, this connector also has a Y splitter for powering a different fan. The RGB connection is done with the help of a standard 3-Pin RGB header, linked with the 3-Pin connectors included in the accessory bundle. Both the power and RGB connectors can power other fans, which makes the Sirius Loop capable of running in a daisy chain configuration.

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