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Why you should not buy a Corsair CX430/500/600 - Page 11

post #101 of 230
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Quote:
Originally Posted by Seanydevious View Post

Should have clarified that I've used the CX430 on i3 Media builds in the past without issue. Wouldn't consider it for an i5 or i7 build. Bang for the buck I purchased the Thermaltake Tough Power TP-750P (Gold Rated) because my CX600 was making whining noises even when powered down. Not fan related, but electrical I fear.


Have to save some money for a Seasonic X or equivalent unit in the future. Seems they only go on sale a couple times a year for about 100.00



Thanks Again

The Super Flower Leadex is better option if you can find it that is
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post #102 of 230
Late coming in but I'll echo the OP ... I have seen two instances where CX series PSU's exceeded 5% voltage variation (11.35 volts).

Not only can you not go by the brand name, you can't always go by the OEM name or the product line. The Corsair HX-850 (less efficient but better voltage stability and lower ripple than AX850/860) sits in a 2nd place tie for my all time fav 850 watters (with Antec Signature) but the HX 1000 and 1050 watters were just average. Even differences in the TX line ....TX V2 is great, TX not bad but the TX-M not so much.

Quote:
Originally Posted by Cpecnaz View Post

My CX600 does fine. Those graphs tell me that it's an average PSU, just like every other sub $200 PSU.

I have yet to see anything top the CP-850s and they used to cost me between $110 and $125.

The HX 650 and 750 are $110, 850 is $130

XFX Core and Pro Editions, Seasonic X series are all under $200 below 1000 watts
Edited by JackNaylorPE - 12/22/13 at 12:17pm
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post #103 of 230
This thread is stupid. The OP states that "its not very good" and that it's a "excellent choice for a basic PC" and that and it's "its not very well made which is why you sould not buy it" and that it should not be used for gaming PC's. Oh but keep in mind he isn't bashing the CX series as stated in the original post he's just saying it's a bad power supply that is badly built that nobody should buy and he wishes to see less of. If that's not bashing then i don't know what is.

It's a Corsair power supply that has a great price/performance ratio and for the most part is quite reliable. Of course it's not using the highest end components but does that mean it's badly built? No and i have no idea why you make that claim. There are no professional reviewers complaining about the build quality. The only person complaining is coming from a guy that hasn't thoroughly tested it yet alone even own one.

Btw i wouldn't be commenting if i didn't have at least some first hand experience with the CX series. I originally had a CX430M in this PC back when i had a Phenom X6/7770. I upgraded to a FX-8320/7970 so i picked up a CX600M and sold the CX430M/7770 to my friend for his budget gaming PC and it's been going strong since early 2012. I would understand you writing this post if you had multiple bad experiences with corsairs CX line of power supply's but that's apparently not the case.

I'll rephrase the OP's post into something worth reading. If you want a power supply with expensive components you SPEND more money.
Edited by Soul Craze - 1/10/14 at 11:16pm
post #104 of 230
Quote:
Originally Posted by Soul Craze View Post

This thread is stupid. The OP states that "its not very good" and that it's a "excellent choice for a basic PC" and that and it's "its not very well made which is why you sould not buy it" and that it should not be used for gaming PC's. Oh but keep in mind he isn't bashing the CX series as stated in the original post he's just saying it's a bad power supply that is badly built that nobody should buy and he wishes to see less of. If that's not bashing then i don't know what is.

It's a Corsair power supply that has a great price/performance ratio and for the most part is quite reliable. Of course it's not using the highest end components but does that mean it's badly built? No and i have no idea why you make that claim. There are no professional reviewers complaining about the build quality. The only person complaining is coming from a guy that hasn't thoroughly tested it yet alone even own one.

Btw i wouldn't be commenting if i didn't have at least some first hand experience with the CX series. I originally had a CX430M in this PC back when i had a Phenom X6/7770. I upgraded to a FX-8320/7970 so i picked up a CX600M and sold the CX430M/7770 to my friend for his budget gaming PC and it's been going strong since early 2012. I would understand you writing this post if you had multiple bad experiences with corsairs CX line of power supply's but that's apparently not the case.

I'll rephrase the OP's post into something worth reading. If you want a power supply with expensive components you SPEND more money.


Agreed, this thread is quiet silly in the sense it lacks any proof of the CX line being bad other than a forum members opinion. As you said there have been no professional reviews that suggest that the CX line is bad in any way and to avoid purchasing it. Seems like others like to jump on board and bash the CX line because a few members with high rep say to avoid it without doing any actual research. I am happy owner of a CX500 that is nearly 16 months old now and has been in two overclocked gaming machines and I have not had a single issue with it whatsoever.
post #105 of 230
Great thread Shilka, corsair is high rated but not all PSU's are good and the CX line is a good example of that for office/work setups they are better than many out there but for us ''overclcokers'' we need the TX Line and upwards (HX,AX) sure the system will run with overclocked set ups and maybe 2 vga's but will you trust lets say a 3570K/4670K or 3770K/4770K and 2 card's to a simple PSU? I certainly would not.

If you guys spend 1000€ or more on CPU's, vga's why not get at least a 100€ PSU?

Thanks again Shilka thumb.gif
Edited by [CyGnus] - 1/11/14 at 4:34pm
post #106 of 230
Quote:
Originally Posted by XAslanX View Post

Agreed, this thread is quiet silly in the sense it lacks any proof of the CX line being bad other than a forum members opinion. As you said there have been no professional reviews that suggest that the CX line is bad in any way and to avoid purchasing it. Seems like others like to jump on board and bash the CX line because a few members with high rep say to avoid it without doing any actual research. I am happy owner of a CX500 that is nearly 16 months old now and has been in two overclocked gaming machines and I have not had a single issue with it whatsoever.

There have been numerous reports from CX users reading 11.35 volts on the 12V rail..... 1% variations is what is desired by the most serious overclockers (read water cooling crowd) and 2-3% is what most peeps using 3rd party air coolers should expect.

Investing $500 in a WC loop or $75 on a good water cooler is kinda silly when any advantage you might gain by the investment is negated by trying to save $20 on a PSU. But even an office user should expect a PSU that meets the 5 % max variance permitted by the ATX specification.

Having 11.35 volts on the 12 volt rail exceeds that specification......it also means in order to draw the same power, your machine must pull greater than 5% more amperage.

This variance is not considered acceptable even in house wiring under the National Electric Code let alone sensitive computer components

http://www.psihq.com/iread/faqvolt.htm
Quote:
How much voltage drop is acceptable? A footnote (NEC 210-19 FPN No. 4) in the National Electrical Code states that a voltage drop of 5% at the furthest receptacle in a branch wiring circuit is acceptable for normal efficiency......

What are the consequences of “excess” voltage drop in a circuit? Excess voltage drop can cause the following conditions:

1. Low voltage to the equipment being powered, causing improper, erratic, or no operation - and damage to the equipment.

2. Poor efficiency and wasted energy.

3. Heating at a high resistance connection/splice may result in a fire at high ampere loads.

Edited by JackNaylorPE - 1/11/14 at 4:54pm
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post #107 of 230
hmmm

https://www.google.co.uk/#q=corsair+cx500+dead&start=0

I have personally seen 2 people at the same time taking these back to aria while I was in there lol.

I have not used one myself & I don't think I ever would lol rolleyes.gif

but from what I have seen about them ohno-smiley.gif
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post #108 of 230
Quote:
Originally Posted by JackNaylorPE View Post

There have been numerous reports from CX users reading 11.35 volts on the 12V rail..... 1% variations is what is desired by the most serious overclockers (read water cooling crowd) and 2-3% is what most peeps using 3rd party air coolers should expect.

Investing $500 in a WC loop or $75 on a good water cooler is kinda silly when any advantage you might gain by the investment is negated by trying to save $20 on a PSU. But even an office user should expect a PSU that meets the 5 % max variance permitted by the ATX specification.

Having 11.35 volts on the 12 volt rail exceeds that specification......it also means in order to draw the same power, your machine must pull greater than 5% more amperage.

This variance is not considered acceptable even in house wiring under the National Electric Code let alone sensitive computer components

http://www.psihq.com/iread/faqvolt.htm

Numerous reports reading 11.35 volts? Care to share any links? The only thing i could find was a guy pulling 787W AC @11.58V using a homemade load tester - http://www.youtube.com/watch?v=cmhpAKwf2DU

Other than that it's been the complete opposite in every professional review i've seen where the 12V regulation is surprisingly good.

I have a feeling those complaints are from people pushing this PSU to the absolute limit under a unrealistic load. Keep in mind the CX600M has only two 6+2 Pins and under a gaming load won't be reaching anywhere near it's limit. The most i've seen my PC draw was 355W during Unigine Valley Extreme HD test with my 7970 and 8320 heavily overclocked.
Edited by Soul Craze - 1/12/14 at 2:23pm
post #109 of 230
Quote:
Originally Posted by Soul Craze View Post

Numerous reports reading 11.35 volts? Care to share any links? The only thing i could find was a guy pulling 787W AC @11.58V using a homemade load tester - http://www.youtube.com/watch?v=cmhpAKwf2DU

Other than that it's been the complete opposite in every professional review i've seen where the 12V regulation is surprisingly good.

I have a feeling those complaints are from people pushing this PSU to the absolute limit under a unrealistic load. Keep in mind the CX600M has only two 6+2 Pins and under a gaming load won't be reaching anywhere near it's limit. The most i've seen my PC draw was 355W during Unigine Valley Extreme HD test with my 7970 and 8320 heavily overclocked.

Agreed, gonna need some concrete evidence of this as I can't find any myself. I checked my 12V rail last yesterday with my multimeter and it read 11.975V well within the 5% margin of error. I agree with people overloading powersupplies, they need research and get one that will stand up to their needs and not go by brand name alone.
post #110 of 230
The issues with the CX (not 750W, not 400W) were always build / components quality (which has improved with later revisions somewhat, and frankly there don't seem to be mass deaths after a couple years regardless) and some not-uncommon occurrence of coil whine even on standby. CWT DSAII performance is fine, especially for the price. Some samples perform worse than others as with anything, and some reaching 11.35 V wouldn't be a shock if it's true, but that doesn't at all seem to be typical.

Usually if you want better you need to pay more...

except when people are actually buying the 600W models and paying $70+ with no rebate, especially for single-GPU rigs. That's stupid (in the US and some other markets).
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