Under the Hood
Here are a few pictures showing the layout and components inside the CM UCP 900W power supply.  The overall layout and build quality is very good. 

Cooler Master UCP 900W Power Supply Review - Cases and Cooling 34
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Cooler Master appears to once again be using Acbel as their OEM for this power supply.  The UCP 900W uses DC to DC Voltage Regulator Modules (VRM) to produce the +3.3V and +5V outputs from 12VDC.

Cooler Master UCP 900W Power Supply Review - Cases and Cooling 35
(click to enlarge)

The primary features three high quality electrolytic caps made by Hitachi, which are rated for 390uF, 400V, and 85°C.

Cooler Master UCP 900W Power Supply Review - Cases and Cooling 36
(click to enlarge)

The secondary side of the UCP 900W power supply is populated by both electrolytic and solid polymer capacitors and dominated by a lot of distribution wiring.

Cooler Master UCP 900W Power Supply Review - Cases and Cooling 37

In the photo above you can see two of the six solid polymer caps and note that the PCB is designed to accommodate up to six +12V outputs (used on the UCP 1,100W). 


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