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Ultra X-Finity 500W w/APFC
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by Matthew Harris on August 4, 2006 in Power Supplies

Power supplies come in just about every conceivable configuration. High wattages, single 12V rails, dual 12V rails, triple, quad. You name it, you can find it. One of the newer things we’re seeing here in the states is active PFC (power factor correction). Today we take a look at an existing PSU that’s been souped up with APFC and a hidden difference.

Look Inside Cont., Conclusion


Looking at the front end of the PSU we get a better look at the APFC circuitry. Compared to power supplies I’ve seen with this circuitry built in it’s a bit simpler but since it’s basically supplying clean, corrected voltage to a non-PFC PSU I’d imagine that it’s level of complexity doesn’t need to be as great since it’s not serving as PFC and switch mode circuitry.

Here’s a better view of the internals just because I love seeing the guts of electronic devices :)

Here’s a quick look at the power connectors. It has a 20+4 pin ATX, 4 pin ATX 12V, 8 pin ATX 12V, 8 (yes, 8) IDE 4 pin molexes, 2 – 4 pin floppies, 4 – 5 pin SATA’s and 2 PCI-e connectors. The options this gives you for drives, fans and other peripherals is simply astounding as is the number of cables this will force you to hide.

    Tested System

  • Motherboard: Chaintech 9CJS Zenith
  • Processor: Pentium 4 2.4C @ 3185Mhz
  • Ram: 2*1Gigs Patriot PDC2G3200LLK
  • Video: eVGA 6800nu unlocked, 16p/6v, 380core/820mem
  • Hard Drives: 2* Western Digital WD1600JD 160Gig SATA
  • Optical Drives: Samsung 16X DVD-ROM, Samsung 16X D/L DVDRW
  • Cooling: Swiftech Apex Ultra WC kit, 3*120mm fans, 1-92mm fan
  • Floppy: Sony 1.44Mb
  • Etcetera: Windows XP SP2

Now that we’ve seen what it has to offer inside let’s see what it does hooked up.

V 3.3V 5V 12V1 12V2
Idle 3.42V 5.20V 12.01V 12.04V
Load 3.37V 5.16V 11.98V 12.02V

For loading I ran SuperPI v1.04, 3D Mark ’06 and Diskeeper 10 on both hdds concurrently.

I was pretty impressed with the results. Like the X-Connect 2 I reviewed a while back the rail voltages were a bit high but not out of spec. Nothing to be concerned about by any means and under load the voltages remained pretty good. Overall I’m impressed with the performance.

Time to dig through the coal and find the diamond:

High Powered:

  • Big quiet fan
  • Snazzy black anodized case
  • Active PFC
  • Good power distribution
  • More connectors than you can shake a high tension wire at

Hyperactive:

  • Not modular
  • Tons of cables to hide
  • Larger than average
  • Slightly pricey

When it’s all said and done the Ultra X-Finity 500W with APFC is a solid PSU that gives a lot of flexibility for hooking up nearly anything that your heart desires. If you’ve got a ton of drives run your video card on 12V2 and you’ve got amperage to spare for drives. If you’re running a pair of power hungry PCI-e cards they aren’t choking on the same 12V rail. Quite a plus for what would be a budget PSU…if it wasn’t for the added cost the APFC adds to the pricetag. There are more powerful PSU’s out there for the same money but you stand to have your vid cards vying for power on an overloaded rail so it’s a toss up. Make sure that you’ve got plenty of room in your case as the 500 APFC takes up the same depth that the Duro 900 does. The added APFC circuitry has to live somewhere after all.

The abundence of cables is both a plus and a minus. You’ve got plenty of options but then again you’ve got even more clutter to hide. I’d like to see Ultra rework an X-2 with APFC and the same rail topology so that users could have the added horsepower that the ability to tap both rails fully unleashes and have a slick modular interface.

Overall I’m awarding the X-Finity 500W APFC a 9/10 and our editor’s choice award due to the forward thinking design.

Discuss in our forums!

If you have a comment you wish to make on this review, feel free to head on into our forums! There is no need to register in order to reply to such threads.



Page List:
Top

1. Introduction
2. Look Inside
3. Look Inside Cont., Conclusion