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Date: October 7th, 2008
Article by: Joe Anderson (Hardware Reviewer)
Edited by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Cooler Master
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PRODUCT PICTORIAL AND WALKTHROUGH



No modular cable features here! This may be a nod to maximum efficiency, which is all well and good, but I'd like to see Cooler Master put a protective grommet in the hole where the large bundle of cables exits the case. On the positive side, the cables are fully sleeved with a black mesh material and the sleeving job is top-notch. Cable lengths are generous and should support maximum-effort systems in the larger cases popular with gaming enthusiasts.



There are easily enough connectors for the most well turned out gaming rig. Cooler Master has even included an extra 4+4 connector for, I assume, dual CPU server boards. A floppy power connector is provided as well, but there isn't the familiar 20+4 motherboard connector. I seriously doubt that anyone would be tempted to use this PSU in association with a 20-pin mobo anyway. But the real story, connectorwise, happens on the graphics power cables.



There are four cables assigned to bring power to the graphics card(s.) Cooler Master has put a single 6-pin connector on two of the cables and the other two have both a 6-pin and an 8-pin connector. Why, you ask, would they do this?



If your graphics cards look like either of these two, this arrangement would come in handy, indeed. Particularly if they were in SLI. This feature could make cable routing much easier.



So, is the UCP 900W the ultimate? Let's find out.

 

PRODUCT INSTALLATION AND TESTING



For this review, I've chosen a DFI Infinity P965-S motherboard coupled with an Intel Core 2 Duo E4300 Allendale processor (overclocked to 2.5 GHz, +0.1 Vcore.) The other components are listed below.


- Buffalo Firestix PC2-6400 (1024mb X 2) memory
- EVGA 7800 GT CO
- Western Digital Raptor 740 SATA hard drive
- Samsung DVD-RW SATA drive


Testing consisted of monitoring voltages from the +3.3V, +5V, and +12V rails while the system was at idle, and during multiple passes of OCCT on both cores while running loops of 3Dmark05. Voltages were monitored with a digital multimeter. Over several days of testing, including overclocks exceeding 30%, rails were rock stable and not one power issue reared its ugly head.


The results are as follows:



The results were excellent and unsurprising, given the specifications. The measured voltages were very close to their respective targets and all four +12 rails measured within 0.07V of each other. There was very little ripple on any of the rails and the fan was essentially silent throughout the several days of testing. As one would expect from a PSU with this kind of efficiency, the UCP 900W puts out very little heat.

 

 


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