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Recommended
Switching Power Supplies A - Z, Second Edition
Switching Power Supplies A - Z, Second Edition, by Sanjaya Maniktala (Newnes), starting at $56.90
Home » Power
StarTech.com WattSmart 650 W Power Supply Review
Author: Gabriel Torres
Type: Reviews Last Updated: March 8, 2008
Page: 2 of 10
A Look Inside The WattSmart 650 W

We decided to disassemble this power supply to see what it looks like inside, how it is designed, and what components are used. Please read our Anatomy of Switching Power Supplies tutorial to understand how a power supply works and to compare this power supply to others.

In this page, we will have an overall look, while in the next page we will discuss in details the quality and rating of the components used.

We can point out several differences between this power supply and a low-end (a.k.a. “generic”) one: the construction quality of the printed circuit board (PCB); the use of more components on the transient filtering stage; the active PFC circuitry; the power rating of all components; the design; etcetera.

As we said before, this power supply uses a dual-transformer design, and you can clearly see the two transformers on the pictures below.

StarTech.com WattSmart 650 W
click to enlarge
Figure 4: Overall look.

StarTech.com WattSmart 650 W
click to enlarge
Figure 5: Overall look.

StarTech.com WattSmart 650 W
click to enlarge
Figure 6: Overall look.

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