Ultra LSP550 550-Watt Power Supply - ATX, SATA-Ready, SLI-Ready, 135mm Fan

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Very happy with psu. The best deal on a power supply that I've seen

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Great so far, install was a bit tricky due to the sleeves on the cables which make them a tad bulky, albeit cleaner looking which is why I gave 3 stars for features. Also, the bulky cables made them a tad harder to tuck away the unnecessary cables. The standard power connectors for the fans & DVD drive were slightly misaligned so I HAD to use a SATA connection for the SATA drive (where I have limited space next to the case wall). The standard power connections still fit, but require a tad bit of aim & finesse to fit them properly. Otherwise, this is probably the QUIETEST PSU I have ever had to date. Great price on a (thus far) great PSU. Thanks TigerDirect! (I live in Iowa so Shipping is always within 2 - 3 days which rocks!)

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I'm not a big techie, but when I had to change my video card because the cable broke, rig was freezing up. My brother-in-law diagnosed the problem because my previous video card didn't require a separate power source and the new one did. The new one was sucking up more power than the old 300W one could provide. This new one solved the problem and is working fine. Thanks TigherDirect and Ultra!

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I got this as part of a barebones kit and it works great. Very quiet, all the usual connector options, and the sleeved cables make for a nice neat looking installation. Definitely recommend.

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I replaced 400-Watt and this 550-Watt has stop a bunch of wind noise. THANKS, THANKS,

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I would recommend this power supply to anybody that is interested in a upgrade for their computer and do not want to spend a lot of money in the upgrade.

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Pretty similar to previous posters. Replaced a dead 350W PS in an older PC with a cheap spare 400W PS. Worked but not happy with cooling or noise. Bought this PS to go with a video card upgrade and could not believe the difference in quality (significantly heavier) and noise (a LOT quieter)

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I got this PS to replace the 350 Watt unit in my 3 yo computer to go along with an aftermarket video card. Easy install, lots of cable options and super quiet.

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Well, i hope it works for a long time to come, the unit has all wires wrapped in mesh to give it the sleek look and clean setup, comes with ample power connectors and seems to be very reliable, all that for a really low price, simply awesome.

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Bought this as part of a build with a Phenom II CPU and Asus MB. I could tell from the weight and quality of the cables that this was a good decision. It's been running for a month with zero problems. What else can I say? I'd buy another any day.

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First one I recieved was dead, barely spun one fan. But the site was great sent me replacement that worked great.

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High quality, lots of cable options, wires sleeved and shrink booted at the ends. Great value with a Lifetime Warranty to boot! Good power is so important, highly recommended.

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Installed in a Dell E521 to replace the stock unit. Very quiet and has plenty of cables. Tiger's price was the best.

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This was purchased to upgrade a small media server that had a failed powersupply. It is quiet and works great. Plenty of connectors and the nice large quiet fan provides plenty of airflow. Great Deal.

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Everything is marked clearly and this was an easy install.

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QUIET, EXCELLENT FOR THE PRICE CAN'T BEAT 30$ FOR A LIFETIME WARRANTY POWER SUPPLY THAT 550 WATTS IF YOU SEE IT ON SALE AGAIN BUY IT WELL WORTH IT...

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It works great for me. The supply is very quiet and hasn't given me any trouble in the months that I have had it.

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Can't beat the price! Quiet! Seems well built. I just installed 2 of them. Time will tell. I'm not a gamer, so there is no load on them. These are just replacements for a couple of 12 year old psu's that were humming a bit. Make sure they will fit in your case. I had to drill holes and modify one of my cases.

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This power supply is the best I've ever dealt with. Upon installation, it started up so quietly, I thought I had installed it incorrectly. Works great.

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I got this power supply from here when it was on sale for 29.99 I was shocked at how well built this thing is. All of the cables are covered so the inside of my computer is nice and neat...unlike everything else on my desk. I would highly recommend getting this power supply!

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This is not the first Ultra Power Supply I have used but it looks like the best. Attention to detail in the way the device connection cables are sleeved makes for a more organized computer internally. It runs quiet compared to other power supplies I have used. Now let's see how long it operates the before (or if) it fails.

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This PSU worked great right out of the box no complaints

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Had to replace a 350 watt power supply on an old system. Easy to install, the cables are bit bulky. So far so good. Quiet. Recommended.

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I installed this PS yesterday with no problems. So far, everything is working properly so I have no complaints. Unit is much quieter than my previous (generic) PS. In fact, its almost silent. I'm not a gamer so I doubt that I will push this PS to its limits, but I'm satisfied. Seems to be a decent PS for a reasonable price.

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very good rebate, very quiet and working good. No regret!