XFX PRO 650 W XXX Edition Power Supply Review

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Transient Filtering Stage

As we have mentioned in other articles and reviews, the first place we look when opening a power supply for a hint about its quality, is its filtering stage. The recommended components for this stage are two ferrite coils, two ceramic capacitors (Y capacitors, usually blue), one metalized polyester capacitor (X capacitor), and one MOV (Metal-Oxide Varistor). Very low-end power supplies use fewer components, usually removing the MOV and the first coil. 

In the transient filtering stage, this power supply is flawless, with one X capacitor and one ferrite coil more than the minimum required, and with two additional Y capacitors after the rectifying bridges.

XFX Pro 650w XXX EditionFigure 9: Transient filtering stage (part 1)

XFX Pro 650w XXX EditionFigure 10: Transient filtering stage (part 2)

On the next page, we will have a more detailed discussion about the components used in the XFX PRO 650 W XXX Edition.

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Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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