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Changing Power Supply

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June 11, 2014 7:13:30 PM

I currently have a Thermaltake TR2-430W PSU, used in a semi-gaming machine. I have been informed by an expert on this forum that not only is it not a good PSU, but it is a fire hazard. Naturally, I feel a change is needed. My system consists of an Asus P5KPL-CM Motherboard, two Intel Pentium Dual Core(R) 5800 CPUs, and a 320 GB HDD. It originally also had an NVidia GeForce 8800 GTX Graphics card, but it blew out in the middle of game play, just out of the blue crashed the system. So, I'm looking for a replacement there, as well. At the moment I'm waiting on a GeForce 8400 GS to try, but may not keep it.
My question is obvious, what PSU would best power this system, at the lowest price possible? The same expert that told me to get rid of the Thermaltake recommended Seasonic as a reliable PSU, but when I went looking, I found an over abundance of these units, of many different specifications. How do I choose what will best work for this machine? Thanks.

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a c 1965 ) Power supply
June 11, 2014 7:19:42 PM

Made by the best SEASONIC.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($49.99 @ NCIX US)
Total: $49.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-11 22:18 EDT-0400)

Note: Corsair CX units use cheap unreliable capacitors.


The TR2 units are very poor the information was valid.
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June 12, 2014 6:30:53 AM

Thanks a lot, guys. Your answers helped me a lot. I think I'll go with that XFX 550W 80+ Bronze Certified ATX Power Supply. Much appreciated.
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a c 1965 ) Power supply
June 12, 2014 12:01:10 PM

Great choice.
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June 12, 2014 12:43:17 PM

It's got to be better than what's in there now, after that two of you say the same about the Thermaltake. What I read up on the XFX 550W were all to the positive. Thanks again. Oh, and I might have paid about $5 more for the one I bought, but I also got free shipping, so in the end it was less. :) 
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June 13, 2014 4:45:39 PM

I got the PSU in today, and have installed everything, except the HDDs. Yes, I have two in that system. One with Win XP for gaming, and the other for everything else. I have what might sound like a dumb question. The old Thermaltake PSU had one SATA cable for the HDDs, the new one has what appears to be three SATA cables. They look identical, but I'm afraid of going any further without making sure. Does it matter which of the three SATA cables I use? One of them is clearly marked with a white letter "B", on the side of the last plug on the cable, if that makes any difference. I'm missing my computer badly down their, so I would like to get this figured out. Thanks, as always, for any help extended. :) 
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a c 1965 ) Power supply
June 13, 2014 4:48:53 PM

SATA Power Connector: 3 < Use any one of them
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June 13, 2014 5:17:13 PM

Fantastic, SR-71 Blackbird. Thanks.

I'm back, and it's all up and running smooth. Thanks very much for your help.
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