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New Cooler Master PSU $29.99 after rebate - Page 4

post #31 of 64
Quote:
Originally Posted by darksen View Post

I'm more worried about MOBO damage tongue.gif I might just test it then unless these PSu companies start releasing compatibility charts.

If the PSU shuts down there shouldn't be any issue. Out of spec voltage could theoretically cause damage; but I think that as long as it's only once and for just for a minute or two, it shouldn't be a worry.
post #32 of 64
Quote:
Originally Posted by shilka View Post

Do you have any more info about the G and I series?

Not at this time. I visited their office. I didn't see any G or I series units lying around; they might not have had samples on hand. I did play with a V850 a bit, just briefly ran it through the 80PLUS loads, and a ~12% overload. It performed exceptionally well; but of course, we already knew that.

The V series convinces me that they are trying to turn their image around. They did admit that the G and I series are somewhat lower end; but based on what they said, and what I can glean from exterior shots of the I series, they are trying to step things up a bit. I mean, look at the i500. It has APFC, is 80PLUS Bronze rated (which means it's likely not grossly overrated), and the PCB looks well populated. There's most of a transient filter at least. I wouldn't want to buy it yet, not before a review is out, but it's clearly superior to previous units like the eXtremePower series.


CM has stated their intention of reforming the brand; they've backed that up with the exceptional V series. We need to see how the I and G series are. But I'd say there's reason to be cautiously optimistic.
post #33 of 64
Quote:
Originally Posted by Phaedrus2129 View Post

Not at this time. I visited their office. I didn't see any G or I series units lying around; they might not have had samples on hand. I did play with a V850 a bit, just briefly ran it through the 80PLUS loads, and a ~12% overload. It performed exceptionally well; but of course, we already knew that.

The V series convinces me that they are trying to turn their image around. They did admit that the G and I series are somewhat lower end; but based on what they said, and what I can glean from exterior shots of the I series, they are trying to step things up a bit. I mean, look at the i500. It has APFC, is 80PLUS Bronze rated (which means it's likely not grossly overrated), and the PCB looks well populated. There's most of a transient filter at least. I wouldn't want to buy it yet, not before a review is out, but it's clearly superior to previous units like the eXtremePower series.


CM has stated their intention of reforming the brand; they've backed that up with the exceptional V series. We need to see how the I and G series are. But I'd say there's reason to be cautiously optimistic.
I had an eXtremepower mess up a board n cpu, and Rajiv has an I series 500 coming my way with some assorted swag, are there specific tests one can do to put load on it while monitoring output etc? i'd be glad to let everyone know whether they have stepped up their game on the low end
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post #34 of 64
Quote:
Originally Posted by azrael36 View Post

I had an eXtremepower mess up a board n cpu, and Rajiv has an I series 500 coming my way with some assorted swag, are there specific tests one can do to put load on it while monitoring output etc? i'd be glad to let everyone know whether they have stepped up their game on the low end

Unless you happen to have an oscilloscope, the most you can do is roughly check voltage regulation using a multimeter. Check the +12V, +5V, and +3.3V outputs while the computer is idle, and while it's under a full load (intense gameplay, or Furmark+Prime95), and record the voltage so we can see how much it drops.

If you don't have a multimeter, you can get one at Walmart or Lowes for about $20. However, Harbor Freight Tools sells meters with the same internals for less than $10, if you have one near you.


I also discussed your situation with CoolerMaster. Not sure I should talk about their response, but I think they did handle the situation reasonably. After all, that I series unit is almost certainly better than the eXtremePower. wink.gif
post #35 of 64
Quote:
Originally Posted by Phaedrus2129 View Post

Unless you happen to have an oscilloscope, the most you can do is roughly check voltage regulation using a multimeter. Check the +12V, +5V, and +3.3V outputs while the computer is idle, and while it's under a full load (intense gameplay, or Furmark+Prime95), and record the voltage so we can see how much it drops.

If you don't have a multimeter, you can get one at Walmart or Lowes for about $20. However, Harbor Freight Tools sells meters with the same internals for less than $10, if you have one near you.


I also discussed your situation with CoolerMaster. Not sure I should talk about their response, but I think they did handle the situation reasonably. After all, that I series unit is almost certainly better than the eXtremePower. wink.gif
after speaking with Rajiv I felt like we had straightened everything out. I am glad that they reached out in the manner they did, I truly do love and own many of their products and have used them in many builds for myself and clients

I do own a multimeter, no oscilloscope at home, I do have one at work, i'm an electro-mechanical technician in an automated sortation system environment, moving +1.5 million boxes a week
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post #36 of 64
Quote:
Originally Posted by Phaedrus2129 View Post

If you don't have a multimeter, you can get one at Walmart or Lowes for about $20. However, Harbor Freight Tools sells meters with the same internals for less than $10, if you have one near you.
frankly if you are serious about testing power supplies 10-20$ meters from off-brands are just as disastrous as bargain basement power supplies
They are never accurate within specs
If you're serious buy a ut61e on eBay from franky
http://www.ebay.com/itm/200901686717
I trust him alot
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post #37 of 64
Yeah, department store DMMs are nothing special, but they're good enough for rough estimates. One brand new out of the box should do for +/-1% at the voltages we're talking about. I wouldn't trust an old crusty one, or for it to be accurate below the milivolt level. But it should get the job done in a pinch. Not every Joe needs a Fluke, ya' know. Although it sounds like Azrael might have one, considering his job. wink.gif

@Azrael
, if you can finagle a way to test that PSU with an oscilloscope that would be great. Ripple measurements are done Pk-Pk, and the probe needs to be in parallel with a 10uF electrolytic and a 0.1uF ceramic cap to meet Intel test protocols.
post #38 of 64
Quote:
Originally Posted by TwoCables View Post

Wow. I didn't know about the SilentNight. Newegg sure loves Super Flower! Geez. smile.gif

SF makes good stuff, and there's far less competition in selling their rebadged units as compared to Seasonic's.

Honestly, I think there's more reputable PSU marketing companies using Seasonic as the OEM for their units than not.
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post #39 of 64
dang im tired, yah I have a fluke, certainly helps in a mixed relay logic/plc and environment where MILES of conveyors scanners, encoders etc rely on mv's sometimes
Edited by azrael36 - 5/13/13 at 7:29pm
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post #40 of 64
Quote:
Originally Posted by azrael36 View Post

no, no, no gentlemen, when you need to be certain that the 480 and 270 aren't live before you pull that line from the terminal you reach for a fluke wink.gif

I almost killed myself with a 400V 3-phase line once. I was about an inch from starting to unhook that stuff before my labmate yelled, "NO, STOP!" and flipped the breaker. That's a mistake you only make once--one way or the other. thumb.gif
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