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Corsair CX430 or CX400?

post #1 of 45
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I need to power a Zacate build. Which would be more efficient for a 60w load... a CX430 V1 or a CX400?
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post #2 of 45
Why do you need even that?

Go for Antec Earthwatts 380W
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post #3 of 45
I remember slightly, something about the CX430 made it closer to an actual 300 or 350w unit (don't remember exactly).

The CX400 is a good unit.

You're only drawing 60w......

It would all boil down to the efficiency at around a 20% load really. Both of the units in question are good units, but I don't know the exact efficiency ratings off the top of my head. Maybe Tator, Shub, or Phaedrus can chime in when they see this....or obviously anybody else that knows these details.
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post #4 of 45
Get a 120w Pico PSU?
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post #5 of 45
Those have pretty crappy internals so they're not worth the asking price. Get a Xigmatek NRP-PC402 for $35 instead.
    
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post #6 of 45
Quote:
Originally Posted by LOL_Wut_Axel View Post
Those have pretty crappy internals so they're not worth the asking price. Get a Xigmatek NRP-PC402 for $35 instead.
Um, the CX430 and CX400 are both much better than that Xigmatek.
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post #7 of 45
Quote:
Originally Posted by GameBoy View Post
Um, the CX430 and CX400 are both much better than that Xigmatek.
NOT! Do some research before you post. It actually delivers more than 600W of power with no problems, has better ripple, and better efficiency. The internals are better. Corsair's Builder Series is behind the competition.

Overclocker's Club

Tom's Hardware
    
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post #8 of 45
Quote:
Originally Posted by LOL_Wut_Axel View Post
NOT! Do some research before you post. It actually delivers more than 600W of power with no problems, has better ripple, and better efficiency. The internals are better. Corsair's Builder Series is behind the competition.

Overclocker's Club

Tom's Hardware


No, you're wrong. First of all that Toms Hardware review is garbage, the testing methodology is inadequate. And that overclockersclub review you linked to completely works against your argument. If you bothered to read it properly, you would see the ripple is out of spec on all the rails.

It's a mediocre HEC unit, both the CX400 and CX430 are far, far better. I don't think I'm the one that needs to "research before I post".
Edited by GameBoy - 5/2/11 at 1:43am
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post #9 of 45
Quote:
Originally Posted by GameBoy View Post


No, you're wrong. First of all that Toms Hardware review is garbage, the testing methodology is inadequate. And that overclockersclub review you linked to completely works against your argument. If you bothered to read it properly, you would see the ripple is out of spec on all the rails.

It's a mediocre HEC unit, both the CX400 and CX430 are far, far better. I don't think I'm the one that needs to "research before I post".
You're right on the ripple. On everything else, though, you're wrong. The rails on the Corsair are less stable, and it can output far less power, not to mention it's less efficient. The primary capacitors on the CX430 are Samxon and rated for 85C, while the ones on the NRP-PC402 are Teapo and rated for 105C. The Xigmatek is better.
    
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post #10 of 45
Quote:
Originally Posted by pioneerisloud View Post
I remember slightly, something about the CX430 made it closer to an actual 300 or 350w unit (don't remember exactly).
The +12v output of the CX430 is a bit on the low side, which is what prompted some people to condemn it as a 350W PSU, but since the PSU can actually put out 430W, it is a 430W PSU because PSUs are measured with 3.3/5/12v, not only 12v.

DuckieHo, have you chosen a case yet? With Zacate you can go SFF. Do you already have the PSUs? The CX430 is not 80+ certified (it just misses). Corsair is coming out with a CX430V2 that will be 80+. I don't know if it is out yet or will be forthcoming. The CX400 is 80+.

How about one of these PSUs:
SeaSonic SS-300ES
SeaSonic SS-300ET

These are 300W SeaSonic that are 80+ Bronze, for better efficiency. The lower wattage also helps efficiency at lower output. The difference between the two is that one uses a 120mm fan while the other uses an 80mm fan. Which one to use will probably depend on how airflow works in your chosen case. I think either of these would be a much better and more efficient (at lower output) choice for a Zacate than any of the CX400/CX430/EA380D units that have been recommended.

Oh yeah, if you end up with a smaller case, SeaSonic makes a TFX sized 300W with 80+ Bronze that got excellent reviews.

It got a Hardware Secrets Golden Award with Gabe saying this: "efficiency level (between 83.4% and 86.6% in our tests), the ultra-tight voltage regulation (voltages very close to their nominal voltages) and the practically non-existent noise and ripple levels (the lowest we’ve seen from all power supplies we’ve tested to date) found on SS-300TFX." Yeah, I bolded that part.

PC Perspective gave it a Gold Award.

Oklahoma Wolf gave it an 8.5/10 at jonnyGURU, partly because he dinged it a 4/10 for Aesthetics. Also, an 8/10 for Functionality because it didn't have an EPS plug (seriously? SFF here) and wasn't sleeved.
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