| Cooler Master Real Power Pro 850 W Power Supply Review |
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$ Check REAL-TIME pricing for Kingwin LAZER 850W Power Supply - 850-Watt Modular ATX SLI-Ready 6x 12V Rails Blue & White switch LED fan 80 plus Bronze LZ-850 $ |
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| Transient Filtering Stage |
 As we mentioned on other articles and reviews, the first place we like to take a look when opening a power supply to have a hint about its quality is its filtering stage. The recommend 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 than that, usually removing the MOV and the first coil. This power supply stage is flawless, as it has two Y capacitors and one X capacitor more than needed, plus a ferrite ring on the main power cable.  click to enlarge Figure 7: Transient filtering stage (part 1).
 click to enlarge Figure 8: Transient filtering stage (part 2).
Now let’s have a more detailed discussion on the components used on Real Power Pro 850 W. |
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