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Does this Newegg review on this Corsair PSU hold any water?

post #1 of 7
Thread Starter 
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026
Quote:
1 out of 5 eggsReply to Manufacturer Response

Pros: Manufacturer said," Also, the information you are referring to about the "true" PSUs is complete rubbish fabricated by people with no knowledge of what they are speaking."

CX PSUS now rated at 30 degrees Celsius instead of 40,thats a fact.

IF you do some simple math you can plainly see these units provide less watts on the 12v volt rail than one would think looking at the watt ratting.

Formula: Volts times Amps equals Watts
CX430: 12V x 28A = 336W on the 12V rail
CX500: 12V x 34A = 408W on the 12V rail
CX600: 12V x 40A = 480W on the 12V rail

compare those results to:
GS600: 12V x 48A = 576W
TX650: 12V x 53A = 636W
Id include more examples but I thik this proves my point.

So the GS600 allots the other 24 watts to the 3V and 5V line
The TX650 allots 14 Watts to the 3V and 5V line

The CX430 allots 96W to the 3V and 5V lines
The CX500 allots 92W to the 3V and 5V lines
The CX600 allots 120W(!) to the 3V and 5V lines

Its ridiculous and false advertising.

Cons: As you can see from our little math problem above these units ARE wildly overrated. No one needs 100W dedicated to the 3 and 5V rails but it lets then rate the units 100Ws more than they really should be.
Going on 3 months and I havent gotten a straight answer from Corsair on what the derating of these units are, and while they admit they are a CWT design they "are not at liberty to discuss which" Thats a direct quote from Corsair by the way.
Lets not forget the amount of reports of whine/buzz even when the unit is turned off! Plus the recent review here by steven that says his unit came with a tag on the 24 pin connector that said "voltage not stable" in chinese is damning evidence.

Other Thoughts: Long story short is educate yourself before you buy a PSU, I cant stress this enough. Dont let the manufacturer lull you into a false sense of security,They fall back on offering an RMA but its a huge headache and will generally cost you 10 to 20 dollars or more to ship it back only to get another unit that exhibits the same unreliability.

Does this reviewer bring up any good points or is it something I can disregard? Thanks and rep+ to coherent and informative answers.
    
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post #2 of 7
Yes the CX series is somewhat overrated. The CX600 especially, I don't recommend it at all. The CX430 and CX500 are less offensive. Reviewer isn't the genius he thinks he is though, ten minutes research would tell you the CX series are Channel Well DSA II platform. It's a solid budget platform, but the units really should be rated about 50W less than CWT labels them. I *****ed about this stuff last year when the CX series first launched, and the uproar about it caused them to release the CXv2 line which upgraded the switching transistors and +12V rectifiers, giving higher efficiency and a bit more effective +12V power. I think the CX430 can be considered as a 400W PSU, and the CX500 as a 480W. But the CX600 is still extremely overrated and I advise against buying it.
post #3 of 7
Thread Starter 
Thank you Mr. P. Imaginary rep to you. Note to self: Lay off of Corsair's CX PSUs.
Edited by intelfan - 1/8/12 at 12:48pm
    
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post #4 of 7
I can't even tell you how many people think they are geniuses on Newegg when it comes to power supplies. They'll rate their Tech level as the highest and give a Diablotek 5 eggs and "recommend to anyone." NEVER rely on newegg reviews, always come to the best site on the net for advice, right here biggrin.gif
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post #5 of 7
Quote:
Originally Posted by Pentium-David View Post

I can't even tell you how many people think they are geniuses on Newegg when it comes to power supplies. They'll rate their Tech level as the highest and give a Diablotek 5 eggs and "recommend to anyone." NEVER rely on newegg reviews, always come to the best site on the net for advice, right here biggrin.gif

QFT.

Newegg reviews are horrid.
post #6 of 7
Thread Starter 
Well, I only browse Newegg's critical reviews to get an idea of what to expect like some of OCZ's modular PSUs have short cable lengths or Corsair's budget PSUs are overrated. Stuff like that. I usually skip the 5 eggs rating and always come here to ask questions though.
    
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post #7 of 7
The CX is not bad on a budget. There is better out there.
You can get XFX Core 450w, 550w, XFX BE 650w, Enermax Naxn 450w, 550w, FSP Aurum Gold 500w.
All of these are from $35-$90 CAD and be fine in any system for what you need.
    
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