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7-way 600 Watt PSU roundup in Venlo
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Old 17th March 2010, 14:14   #1
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Default 7-way 600 Watt PSU roundup in Venlo

Looking for a 600~700W PC power supply but haven't decided yet what to get? In addition to our 2009 summer article we at Madshrimps have tested another four popular products from major brands like Nexus, Enermax, Scythe and Sharkoon. We compared features, performance and efficiency. Which one to get? Read on to find out!

http://www.madshrimps.be/gotoartik.php?articID=942
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Old 19th March 2010, 17:23   #2
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Overall good job but as you "crack" them open in any case you should also either check and write about capacitor selections or take such photos which allow recognizing capacitors.
For most global brand PSUs used capacitors can be found from numerous other reviews but for European PSU brands thorough reviews aren't so common.

While looking all good now PSU with crap capacitors can easily go bad after only couple years (or faster) so use of known high quality capacitors isn't just PR stunt. Instead of el Cheapo products even PSU with more average performance, say in voltage regulation, but high quality capacitors, is lot better investment and can keep going lot longer.
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Old 23rd March 2010, 22:22   #3
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You're correct and I must confess that I don't have enough knowledge about quality capacitors and such stuff. I'd love to tell you about what components to look out for and which you would rather want to avoid. In order to do that one must have lots of experience in electronics, for myself I would pay a visit to some of these capacitors producers and see how they do it. I would ask repair departments in order to know their thoughts about certain weak components instead of reading and quoting other man's words. But frankly, knowing that it took a very long time to get this review done, and knowing that writing reviews is just one of the many hobby's I have, I can tell you that getting more in detail would take only more time which I can't make available at the moment.

"Then why bother the review?" Well why would you? I'm telling you from the start that internals is not what we're going to focus on, instead we'll be testing the product 'as it comes' and judge by that those facts what it is worth for us. On the longer scale there're lots of influences which can degrade the product life, and yes quality components will most certainly extend the joy you'll have from it, but than again you're judging by name and not by real world facts like you would get when testing hundreds of units for multiple years. I say it's a nice extra thing to mention but sometimes I get the thought that some reviewers are just quoting stuff and that's why I rather not spend time researching and reading other man's work. But I hope that what you got in this article was good enough to get you going
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Old 24th March 2010, 14:43   #4
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Sometimes some smaller caps have only minimal markings on them but most have manufacturer's name or logo so simply listing identifiable capacitors and leaving arguing/deductions to readers wouldn't increase workload more than minute or two per PSU.
Cap makers often sticking to certain colour theme can give fast first hint of manufacturer but still gettings markings to show in photos would actually take more effort.


Quote:
judging by name and not by real world facts like you would get when testing hundreds of units for multiple years
Even longer testing of big sample isn't reliable if quality is inconsistent. Like those Fuhjyyus making Antec SmartPowers and old TruePower I/IIs random timebombs. Some of them have obviously worked well while lot of them have been ready to pop at any time.
And even if lower quality caps work long in one product lowering cooling (as silence is now major advertising point in PSUs) below some level can kill those caps fast in other product.

So there simply aren't any valid reasons to keep cheap dozenware equal to known long time manufacturers.
It's rather sure bet that quality PSU manufacturers do some tough testing to capacitors (also they have to stay sharp because of huge counterfeit production in China) they keep using in their high end models so that should be good hint as to what is reliable because in capitalistic world use of more expensive parts than necessary is rare.


Personally I have one 13 years old high end Nokia CRT still working but despite of good looking design and good sized heatsinks for critical components Samsung 959NF started going haywire after 6˝ years simply because of lot of capacitors failing. (don't remember their brands except that they weren't known high quality brands)
And now in TFT monitors cheap capacitors of their power supplies are common cause of their premature deaths before reasonable operating life.
So with 1˝ year of use behind I have to start really considering when I open my LG IPS monitor for checking is it better to replace caps for making sure it lasts because real step forward OLED and FED/SED monitors are still years away and current monitor markets are falling towards vertically cripled cheap crap. (Millions of flies can't be wrong: Crap is good.)
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