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[Tom's] Don't Be Surprised When Your Cheap PSU Blows Up - Page 4

post #31 of 75
Well, did anyone really expect them not to epically fail? This would have been a lot more interesting with a bunch of those cheapo ones you can find on newegg and the like from Diablotek, Athena, Logisys etc.
post #32 of 75
Quote:
Originally Posted by chemicalfan View Post
It's a hard argument to support to non-enthusiasts though - spending more money on reliability rather than performance is a tough position to defend (even though when people buy cars, it's often a cited argument)
lack of power = slower performance and more crashes... seems like an easy arguement to me.
inefficient power supple = lots more heat = fans spin faster thing makes a racket and slows down to stop itself burning up another good arguement which impacts day to day usage.

seriously if you can't argue the point to a non-enthusiast you're going about it entirely wrong.
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post #33 of 75
They said it would be hard to manufacture a PSU on the cost of a ribeye steak. What if it was kobe beef? That'd be pretty expensive.
post #34 of 75
Quote:
Originally Posted by Phaedrus2129 View Post
The Linkworld LPK / LPK2 is among the worst power supplies ever made.

It's a shame they didn't have the experience and technical knowledge to show why.
Burn.

Quote:
Originally Posted by DuckieHo View Post
I was hoping for some internal or autopsy shots...
Tom's don't know what caps are, much less what to look for in the guts.
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post #35 of 75
aah... I remember people blaming me here and there because I bought an LC power 550W PSU that was roughly 42€...

It never blew up, and what's better, it withstood an opteron 1214 clocked at 3GHz, two gigs of DDR2-800 clocked at 964MHz, and (!) an SLI of 8800GT 512MB clocked at (!!) 715/900 MHz.

I remember it shutting down under hardcore Crysis sessions when both cards topped up usage and there was like 28ºC inside my room.


Let the beast cool, restart, and working like a charm. In fact it's now on the server with one of the 8800GTs.


But it was 42€, not 15
   
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post #36 of 75
Quote:
Originally Posted by esocid View Post
Burn.



Tom's don't know what caps are, much less what to look for in the guts.
Uncle Tom's Hardware.
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post #37 of 75
no fireworks videos?
post #38 of 75
Out of Curiosity, how do companies like hp and dell pick power supplies? I know they do use cheap brands, but considering the number they sell, how do they confirm that the power supply they choose would last long enough or wont blow up?
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post #39 of 75
Quote:
Originally Posted by Kaze105 View Post
Out of Curiosity, how do companies like hp and dell pick power supplies? I know they do use cheap brands, but considering the number they sell, how do they confirm that the power supply they choose would last long enough or wont blow up?
Most big OEM's actually use pretty good units. Delta, Hipro, LiteOn, & Bestec.

Generally they have reliable capacitors and overall good builds. They're just skimping in other areas:
IE: No paintjobs, low connector count, no certified by Ecos (80+ Guys.)

None of these things really effect the end user (the person who buys the computer.) As they're sometimes purpose build (custom cable lengths and number of connectors.)
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post #40 of 75
Quote:
Originally Posted by Kaze105 View Post
Out of Curiosity, how do companies like hp and dell pick power supplies? I know they do use cheap brands, but considering the number they sell, how do they confirm that the power supply they choose would last long enough or wont blow up?
They don't "use cheap brands". They go to a large, established electronics manufacturer like Delta Electronics, Lite-On, Chicony/Hipro, etc, and say "We want a PSU with these specs, a failure % of less than xx% over x years, and for $xx per unit." The PSU manufacturer then makes some prototypes, sends them over, the PC manufacturer tests them in a lab (or has a third party test for them), critiques them, sends them back, repeat a few times, then a test batch is made and tested, then finally they start full scale production. Large PSU makers (like the three listed) usually actually have a set of standard models that can just have the connector count and other details tweaked to meet the needs of any customer, without having to redesign the electronics all the time, though for really large important orders (>1 million units) they may do a custom design anyway to meet the customer's needs exactly at the lowest possible cost.
Edited by Phaedrus2129 - 5/6/11 at 10:10am
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