Ultra X3 600-Watt Energy Efficient Modular Power Supply (ULT40073)

I just built a beast of a PC for my wife's video editing and despite some negative discussion from some of the geek forums, I read reviews about this product and decided to buy it. Here's why:

This PSU is highly reviewed on tigerdirect.com because it features high amps to all the necessary rails, unlike some PSUs that might sound more powerful (like 1000Watt) but don't give a strong, quality supply of power. Strong, even, ripple free power is essential to ensure that your components work in a stable manner and this supply delivers.

I like the large fan arrangement as her previous PC overheated like crazy, but this PSU is both cool and quiet, even under load.

But the best part about it is the fact that it's modular. That means that inside your PC, you only plug in the cables that you need to power components. The forum geeks told me that I would end up using them all anyway, but with video card, 3 hard drives, optical drives, a bunch of fans etc, there are still a whole lot of cables I didn't use and which don't clutter up the box, restricting airflow and keeping things hot. With the modular set up, the inside of the case is clear of unnecessary wires and airflow is great as a result.

Finally, the forum geeks told me that if you have sockets and plugs at the PSU end, that these could be future failure points, so they'd prefer not to use modular PSUs. This is crazy, as this PSU uses heavy duty Molex plugs. These same plugs are used on race cars, which are subject to far higher heat, stress and movement. Unless you're driving your PC around the track, those connectors will stay solidly connected.

Finally, it looks good. It's kind of a black chrome (not black and white like it looks in photos) and the cables are all low profile and black. Plus, they are of significant enough gauge wire that they stay where you bend them, making cable management easy and attractive.

I'm very happy so far. I think you will be too.

Have this running for a couple of month now. Very quiet, very slick design (like it matters when it's inside the case :))

The main reason I got this product was the modular design. Works great. Although I had some fears, 600W provides more than enough juice for a bunch of components I ended up installing 2HD's, 3 CD/DVD drives, hungry video card, several PCI cards, Quad CPU, 3GB RAM and a whole bunch of USB devices.

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I had previously purchased another power supply to power my EVGA Nvidia 8800GT to help prevent crashes to my system. There must have been a glich in that power supply that kept burning out the video card. Since the card had a lifetime warranty (luckily), I had gone through three of them before I realized it might have been the power supply since none of this started happening until the new PSu was installed. I was at first kind of aprehensive to get this one because of cost mainly, but thought that fewer cables in the case would be a plus also. I am more than pleased that I took the plunge to shell out the extra cash for this one. It seemed to solved all the problem I've had in the past as well as causing my latest upgraded EVGA 250GTS, which had also quit working with the other PSu to start working again with no problems whatsoever. I'm glad I spent the extra cash for this one, I'm having a pleasent PC experience once again. "GO ULTRA"!!!

Read Best Reviews of Ultra X3 600-Watt Energy Efficient Modular Power Supply (ULT40073) Here

I purchased this PSU from Amazon two years now and it has performed flawlessly. I have taken it out of one system and used it in another. The generous extra leads really came in handy to fit my different needs. Price, Amazon and Quality were the factors for purchasing this unit.

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My order came in on time and the power supply worked as advertised and the price was one of the lowest I could find.