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Why you might not want to buy a Corsair RM PSU

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post #11 of 653 (permalink) Old 01-03-2014, 07:11 AM - Thread Starter
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post #12 of 653 (permalink) Old 01-03-2014, 07:19 AM
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I think every manufacture makes mistakes at some point in time lol

its just how they rectify it that matters really!

look at evga doing a recall, I wont be surprised if the RM series has to do that at some point rolleyes.gif
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post #13 of 653 (permalink) Old 01-03-2014, 07:23 AM - Thread Starter
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post #14 of 653 (permalink) Old 01-13-2014, 07:16 AM - Thread Starter
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Part 2

As said before the 750 and 850 watts RM is not made by CWT but by Chicony Power Technology

Its different then the other models in RM series this is both good and bad

The good news is the 5v bridge has not been forgotten so no problems with dead 5v pin on the 24 pin ATX cable

The bad news is this





The VRMs use two Taicon electrolytic caps for ripple filtering. All the other caps in the secondary side are by Ltec. Corsair's cap choice definitely isn't the best. Lowering production cost was apparently a prerogative, yet the warranty for this product is still set to five years

The filtering caps in the secondary side are provided by Ltec—not our favorite choice. We think Corsair should use higher quality caps here since this unit usually runs in passive mode. Time will tell if they were right to trust Ltec caps or whether many units will be RMAed instead.

All capacitors on the secondary side is Taicon and Ltec








Soldering quality isn't the best we have seen. The production line probably needs some time to hit optimal quality levels. CWT implementations are clearly superior in this area, so Chicony has some catching up to do. The large metal bar shown on the fourth of the above photos is used to transfer earth to the modular panel, while the smaller bar is used by the +12V rail. We also spotted three current sense resistors right in front of the +12V pads on the modular PCB.

Other reasons

The fan enters the party rather late (allowing for high internal temperatures)
Capacitor choice in the secondary side
Corsair Link USB header not included
Limited functionality of the Corsair Link software (only monitors fan speed and +12V current output)

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post #15 of 653 (permalink) Old 01-13-2014, 07:51 AM
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I have just read the review over on Mr Guru's site, who notes that despite the use of controversial caps, Chicony are capable of making even the worst caps last forever.
Oklahoma Wolf did mark them down for those caps though as that is the scoring system. The Supply received a solid 9.2 in the review, so we need to keep things in perspective.

Thoughts?

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post #16 of 653 (permalink) Old 01-13-2014, 07:52 AM - Thread Starter
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Quote:
Originally Posted by BakerMan1971 View Post

I have just read the review over on Mr Guru's site, who notes that despite the use of controversial caps, Chicony are capable of making even the worst caps last forever.
Oklahoma Wolf did mark them down for those caps though as that is the scoring system. The Supply received a solid 9.2 in the review, so we need to keep things in perspective.

Thoughts?

I dont like cheap caps to me thats just feels cheap lazy and a weak spot that could be avoided

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post #17 of 653 (permalink) Old 01-13-2014, 08:05 AM
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Of course these crappy cap companies are like anyone else and can improve over time, which was hinted on the JG review,
I do of course agree that Corsair have taken a step backwards here and informing people of this is important, however we need to try to avoid sweeping statements about a company based on a few products.

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post #18 of 653 (permalink) Old 01-13-2014, 08:07 AM - Thread Starter
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Quote:
Originally Posted by BakerMan1971 View Post

Of course these crappy cap companies are like anyone else and can improve over time, which was hinted on the JG review,
I do of course agree that Corsair have taken a step backwards here and informing people of this is important, however we need to try to avoid sweeping statements about a company based on a few products.

I dont think everything Corsair sells is bad but they do have some things that are not worth buying

The CX CS RM and AXi PSU series are what i believe are not worth buying

Note they are not worth buying for the same reasons

NZXT has gotten so much flak form me for pushing out the HALE 82-N and V2 but no one cares when i talk about that

As soon as i start talking about Corsair all the fanboys screams bloody murder

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post #19 of 653 (permalink) Old 01-15-2014, 11:24 AM
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It´s a travesty that Corsair doesn´t do a recall on those kinds of units. They are afraid of damaging their rep. My dad has a BMW, he went for some kind of repair and the mechanic said "hey that model needs a new radiator, the existing ones are faulty etc.". No official announcement from BMW, if he had never gone there himself to fix an unrelated problem with the car he wouldn´t have gotten the new radiator, because BMW doesn´t do official recalls like that. Same thing with Corsair etc. Most people with those PSU´s will never know about this and they will wonder why their system isn´t working.

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post #20 of 653 (permalink) Old 01-15-2014, 11:45 AM - Thread Starter
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