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Home » Power
XFX PRO 650 W XXX Edition Power Supply Review
Author: Gabriel Torres 53,832 views
Type: Reviews Last Updated: July 27, 2012
Page: 3 of 11
Transient Filtering Stage
Hardware Secrets Golden Award

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 Edition
click to enlarge
Figure 9: Transient filtering stage (part 1)

XFX Pro 650w XXX Edition
click to enlarge
Figure 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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