These fans arrived in good condition. I tested each one before installing it in the case and they all worked. The remote control is based on radio frequency and works well. The brightness of these LED fans should be good if you have a clear window. I have a tinted tempered glass side window and although it is still visible it looks a little dark. The only complaint I have is that these fans use a "proprietary" 6-pin connector to connect to the Control Hub. There is no way to control or change the fan speed. It would be nice if they had a separate fan control header. But what is is. The fans have decent airflow, although I'm not able to measure the exact CFM. Another disadvantage of these fans is the lack of an airflow direction indicator. I had to hook them up to find out. So it turns out that the side of the fan with the branded sticker is the exhaust, in case anyone is interested. Pros: Cheap, works, cool LEDs. Cons: Fan speed cannot be controlled, airflow direction not specified.
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