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Why bad opinions on Corsair CX series, especially CX430?

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  • Power Supplies
  • Corsair
  • Components
Last response: in Components
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a b ) Power supply
October 3, 2014 11:50:01 AM

Checked out some reviews on HardwareSecrets and JonnyGuru for the CX430, and they're of the opinion that this PSU is a fairly decent model to put in your build. So why do people here have negative opinions about this PSU? I personally use it, and so far I haven't had any issues with it. Perhaps the important bit here is that I have had it since November, so around 11 months, but for that period I didn't find any flaws with it, and a definite improvement over my older generic 450W power supply. I am running a Core 2 Duo e4600(65W) CPU and a Gainward GTX650(64W) GPU off of it.

More about : bad opinions corsair series cx430

a c 76 ) Power supply
October 3, 2014 11:54:35 AM

The PSU is fine as long as its not under heavy load, where the cheap capacitors used come into limelight. They easily melt on high loads, resulting in the negative reviews. You're only pulling around 150W off the PSU, if you planned on putting a 250-300W load, it'd cause ripples, on 350W+ loads, it'd just fail.
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a c 2488 ) Power supply
October 3, 2014 11:56:57 AM

The CX Series uses cheap capacitors , I personally had two CX 500 's fail on me in under 6 months.

Only the VS series is lower quality in the Corsair lineup.
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a b ) Power supply
October 3, 2014 11:57:16 AM

It's fine for your system and you shouldn't worry about it as it will last for a long time. If you had a powerful system drawing 400W or more at peak, then you'd want to buy a more efficient and powerful PSU.
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a c 2488 ) Power supply
October 3, 2014 11:58:19 AM

Here are the 5 models with the highest return rates during the time period: 2013.

- 3,64% Corsair Gaming Series GS600
- 3,59% Corsair CX500 V2
- 3,59% Corsair CX600 V2

- 3,39% FSP (Fortron) HEXA 500
- 3,31% Seasonic S12II-520
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a b ) Power supply
October 3, 2014 11:59:52 AM

SR-71 Blackbird said:
The CX Series uses cheap capacitors , I personally had two CX 500 's fail on me in under 6 months.

Only the VS series is lower quality in the Corsair lineup.


What kinds of load were you providing to the PSU?
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a b ) Power supply
October 3, 2014 12:00:53 PM

SR-71 Blackbird said:
Here are the 5 models with the highest return rates during the time period: 2013.

- 3,64% Corsair Gaming Series GS600
- 3,59% Corsair CX500 V2
- 3,59% Corsair CX600 V2

- 3,39% FSP (Fortron) HEXA 500
- 3,31% Seasonic S12II-520


So the S12II-520W isn't good? I was considering that for my next build.
Which Seasonic should I go with then? I'm planning a 970 and a i5-4670k.
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a c 2488 ) Power supply
October 3, 2014 12:02:17 PM

The S12II-520W is a decent supply but not great , I only buy EVGA models that are made by Super Flower.
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a c 76 ) Power supply
October 3, 2014 12:02:28 PM

SeaSonic made XFX pro 550W would be a good choice.
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a c 2488 ) Power supply
October 3, 2014 12:03:13 PM

Super Flower is number 1 on the market.

EVGA , B2 , G2 , P2 , and T2 are made by them and are the best out there.
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a c 76 ) Power supply
October 3, 2014 12:03:57 PM

Yep, was just suggesting a 'SeaSonic' PSU as OP asked :) 
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a b ) Power supply
October 3, 2014 12:04:45 PM

XFX only sell graphics cards in India that are considered crap.
I have Corsair, Antec, Seasonic as my choices(besides a lot of Z's that we're seeing in another thread).
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a c 2488 ) Power supply
October 3, 2014 12:05:26 PM

The Seasonic G series is real good.
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a c 76 ) Power supply
October 3, 2014 12:06:38 PM

Not the best quality wise, but even Antec VP550P would do the job.
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a c 2488 ) Power supply
October 3, 2014 12:09:09 PM

My last 3 supplies are 2 - 850w EVGA G2's and 1000w P2 EVGA.

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Best solution

a c 86 ) Power supply
October 3, 2014 12:56:04 PM

The problem with cheap caps is they tend to fail with time/load and heat. Not all 85 or 105c caps are rated for the same run time either.

Reviews may not push them hard long enough to show this.

A case with a bottom mounted power supply and power friendly systems can still live quite a long time on these less than ideal power supplies.

In the end, you have a very power friendly system. I have been running my i5 750 + gtx 650ti(started with a 5770) system for over 4 years on a 300 watt(22 amps @ 12 volts) power supply.
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a b ) Power supply
October 3, 2014 1:50:48 PM

So what should I be looking for in a system with a i5 4670k(I don't overclock, but the 4670 isn't available) and a GTX 970(probably overkill, but who can tell?) system? Should draw around 240W combined excluding everything else on the +12V rail, right? So technically, even a S12II 430 is enough.
Is the S12II 520 enough for such a system? I might want to overclock the GPU though.
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a b ) Power supply
October 3, 2014 3:00:57 PM

I'm not looking to add another 970 in SLI if that's what you're assuming.
Also, XFX power supplies are not available.
Only Corsair, Antec, Seasonic.
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a c 2488 ) Power supply
October 3, 2014 3:01:56 PM

Seasonic 650.
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a b ) Power supply
October 3, 2014 3:03:42 PM

S12II 620 will do?
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a c 2488 ) Power supply
October 3, 2014 3:04:44 PM

Sure that would be a good range to be at.
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a b ) Power supply
October 3, 2014 3:06:53 PM

OK great.
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