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Ultra X-Finity FlexForce 500W Power Supply
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by Greg King on November 2, 2005 in Power Supplies

The boys and girls at Ultra have made a bit of a name for themselves with their line of power supplies. While PSUs aren’t their only products, they are their most famous. Their first big name PSU was the X-Connect and it was labeled as the Worlds first fully modular power supply. Today, I am taking a look at their new X-Finity PSU.

Stress Testing & Conclusion


Stress Testing

To stress this PSU out, I am going to throw quite a bit at it. I will do this to push the rails and see how much fluctuation there in on the +3.3v, +12v and the +5v rail. I will use motherboard monitor to track the different fluctuations, if any, that I encounter. This is the system specs of the PC that I am running these tests.

Processor
AMD 3700+ San Diego 1MB L2
Motherboard
Power Supply
Ultra X-Finity 500W PSU
Memory
512MB x 2 Crucial Ballistix PC4000
Hard Disks
1 WD Raptor 74 GB
Seagate 160 GB
Sound Card
Creative Audigy ZS2
Video Card
eVGA 7800GT PCI-E 256MB

Using BETA 81.87 drivers.

Etcetera
Windows XP Professional with SP2

To really push this PSU to full load, I started out by running CPU burn-in. This runs the CPU at 100% for the entire user stated time. While this was running, I loaded Rhino 3.0 3d. This is a 3d modeling program that I used in college so I started rendering one of my past projects. While all this was happening, I went ahead and opened up Aquamark3 and ran that as well.

While this seems like a bit much, I really wanted to make sure that I was pushing the entire system as much as I possibly could. The whole time, I was watching MBM5 and recording down the rail fluctuations. Here is what I got:

Conclusion

All in all, this unit surprised me, and all for the good. The look of this power supply was top notch and had a beautiful mirror finish to it that made me all the happier. The huge 120mm exhaust fan on the under side of the power supply was more than enough to move air over the interior components of this PSU and was ultimately quiet. The rails were dead stable with the largest difference coming on the +12v rail. While it moved more than the other two, this did not concern me at all seeing how little it moved. I would have liked to have seen it a bit closer to 12.0v but it was right around 12.5v and it did not move far from there at all.

Ultra is, as always, courting the gamers and the do-it-yourselfers with this power supply. The mirror finish on this unit, as well as the stable rails makes this PSU hard not to recommend. Another thing that really impressed me was the cabling that came out of the back of the PSU. This was incredibly ease to manage as well as route throughout my case. The packaging was top notch and well done and the time and effort that went into the manufacturing of this power supply is a testament to the fine people at Ultra who time and time again have surprised me with their attention to detail. I am pleased with this PSU as it does all that I need it to and it does it without any problems at all. The Ultra X-Finity deserves, and has earned, a solid 9 on the soon famous Techgage-o-meter.

Many thanks again to the folks at Ultra who have once again, been kind enough to allow us to review this fine PSU. Thank you for your support of us gamers. Keep it up!

Rob’s Add-in: One thing I would like to mention, is that this PSU proved very stable on the DFI Ultra-D. There have been numerous complaints in the past that the first-gen X-Finity and X-Connect PSU’s were the cause of many problems, especially with the Ultra-D/SLI-DR motherboard. It looks like Ultra went ahead and fixed whatever problems were there (I hope) to make this more stable than the previous versions. Of course, unlike the previous versions, this PSU is equipped with a true 24-Pin connector, so I’m sure that plays a role.

Want to discuss this review? Want to throw a comment at us and tell us how right/wrong we are? Please feel free to leave your comment in our forums, where you do not have to register to comment on our articles.



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1. Introduction
2. Stress Testing & Conclusion


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