From Hardware Secrets:

Corsair is a traditional memory manufacturer they gained a lot of respect in the industry with their power supplies – we reviewed HX620W and TX750W and they are terrific products. But how the entry-level series from Corsair, dubbed VX, performs? Today we will take the most inexpensive power supply from Corsair, VX450W, and completely disassemble it and see if it can really deliver its labeled power.

As you can see, this power supply uses a big 120-mm ball bearing fan on its bottom (the power supply is upside down on Figures 1 and 2) and a big mesh on the rear side where traditionally we have an 80-mm fan. We like this design as it provides not only a better airflow but the power supply produces less noise, as the fan can rotate at a lower speed in order to produce the same airflow as an 80-mm fan.

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