AOpen Silent Power AO400-12AHN Power Supply
 

Additional features and frills such as pretty lights, UV reflective coating, fan controllers, etc. are nice, but beside the point. With this in mind, let's take a look at the latest PSU to cross our bench, the AOpen Silent Power AO400-12AHN. This 400Watt unit comes armed with a bristling array of cables as well as a rear mounted knob which controls the speed of the LED-lighted 120mm fan mounted on the bottom of the PSU.

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