PSU choice question

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Corsair

Corsair is a brand that has a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. The TX750 can easily power an overclocked system with two video cards operating in Crossfire or SLI mode.

The same cannot be said of OCZ. The quality of their power supplies vary. All of OCZ 700 watt power supplies have shortcomings that are documented in competent technical reviews.
 
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Those are both reasonable PSU's. The OCZ is solid, and a bit less expensive while also being modular, which is nice. The Corsair is a better quality unit as a whole, but it costs a bit more and is not modular. Corsair is generally the better brand over OCZ.
The OCZ is a good choice if you want to save a bit of money and as long as you aren't actually pushing too close to 700W. If you don't mind spending a little more for a bit better quality and an extra 50W of overhead, its probably worth it.

Also-What system are you going to be powering? It could be you could save some cash by getting a lower wattage PSU if you don't really need the full 700+ watts these 2 units provide.
 
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JohnnyLucky- I would describe the difference as this-
OCZ is good, getting the job done acceptably and passing the reviewers testing.
Corsair is excellent, getting the job done exceptionally and exceeding the reviewers testing. That particular OCZ 700W is one that I had up until recently and it was a good PSU, and it passed all testing at its rated specs in all the reviews I could find of it. It didn't exceed those rated levels, but it was acceptable within them. Doing it again, I would get the Corsair, but the OCZ for its current price is a good deal, especially since its modular.
 
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If you are going to post the reviews, I'd post the most recent revision of them. Here is the update on the OCZ ModXStream Pro 700 on HardOCP that shows it passes, and the fail was due to their testing it beyond its actual rated limits.:
http://www.hardocp.com/article/2009/03/03/ocz_modxstream_pro_700w_40c_update/
The Corsair is still the best option of the group, but the OCZ is a perfectly legitimate PSU as well if you want modular and to save some money. I personally would buy the Corsair, or spend a little more for a modular supply of equal quality to the corsair, but the OCZ is a fine supply.
 
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I agree that the follow up it shows it making it through the tests @ 40° but that doesn't give it a pass for HardOCP since they test all the units at 45° and to get a pass from them it has to do it at 45.

I would guess that the reason for the follow up was that the documentation had changed from listing the unit as being rated at 50° to 40° which it allowed it to pass at what the manufacture had listed which it hadn't done originally.

For me the pass/fail at 40°or 45° really wouldn't be the make or break point. I am more concerned with the component selection and over all build quality.
Here is a quote from the original review that would make it a no go for me.
OCZ 700W ModXStream Pro looks very much like a cheap group regulated unit. This is further compounded by the fact that the unit has some questionable component selections in the mystery "Rec" capacitors.
Click to expand...

From my experience the main causes of PS failure is usually the fan fails or the caps fail, sometimes quite violently.

As far as I know Corsair uses all quality Japanese caps in all their units except the 400. That to me makes Corsair an easy brand to recommend.

Personally the power supplies I would actually use is fairly limited to at present the SeaSonic M12D and X-series and units based on those platforms, The Corsair HX series mainly the 750 and 850, and the Antec SG series.
 
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I understand, and agree with you, which is why I upgraded from that OCZ to the PSU I have now. However, its still a legitimate PSU that passes testing at its rated capacity and heat levels etc. and would be fine for most people who are not pushing too close to the 700W limit. It'll do the job just fine if they OP needs to save money and wants modular, etc. Its really inexpensive for what it is. But like I said- I would buy the Corsair, but the OCZ has its place for a budget-bound buyer.
 
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If you agree why all the support for the OCZ? It may well be sufficient, I question it's reliability specially compared to the Corsair and the OP asked
Which is more reliable between the two?
Click to expand...
not which was sufficient.

Another one that the OP could consider is the Antec TruPower New which is quite a bit better than the OCZ and I would guess as good or better than the TX since its on a newer SeaSonic built platform but is also a little more money.

But honestly the 750TX is really hard to beat as far as quality and performance at its price point. If the Antec were the same price I would recommend that but it appears 20$ higher.
 
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Sure, maybe they did that. They got caught, and fixed it and now its correct. Either that or they had a misprint in the original documentation. Either way, its still a PSU that will do what is needed for someone on a tighter budget that will not allow for a nicer Corsair or whatever brand PSU. Sorry- Just trying to be honest about quality and what I would buy myself/suggest for others in this type of situation, and were I tight on cash and needing a reasonable PSU that would power my system at 550W with a little overhead, and was modular, its a supply I would consider. Also- I did say the I would get the Corsair over the OCZ if I had the money, and that it was a higher quality supply.
Edit @Ancient_1- I am only trying to provide all the information I can to allow the OP to make the best decision he can, so If I had posted links to the reviews as you did, I would have posted both the review AND the update. Also- there is a $20 difference and the OCZ is modular, (which to me is worth a good amount of time and effort with cable management and routing), so I was trying to give the OP enough info to make an informed choice. $20 and some time/frustration saved can mean a lot to some people.
 
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