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Why are used PSUs worth so little? - Page 2

post #11 of 46
So am i completely wrong, or is my percentage just way too high?\\

EDIT: BTW no i am not on crack... apparently i just have a retard friend
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post #12 of 46
It's not that used PSUs are worth so little, it's just that you're asking 235 USD for an outdated unit that performs similarly to a 150 dollar Corsair 850TX. Just because the BZ1100 retailed for 400 dollars three years ago, doesn't mean it's worth anywhere near that much now. For 235 USD, I can go out and buy myself an absolute beast of a PSU, like an Enermax 1050W, that will outperform the ABS BZ1100 by a landslide.

I sold my ABS BZ1100 for 130 bucks about 2 months ago. The most you'll get or one is 150, if you're lucky. I am sorry to break it to you
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post #13 of 46
Yep, because someone else said it, it must be true.

My old Dell's got like a 1W PSU now :\\

Quote:
Originally Posted by maxhudson View Post
So am i completely wrong, or is my percentage just way too high?\\

EDIT: BTW no i am not on crack... apparently i just have a retard friend
PSUs do degrade, like anything. It can't accurately be measured, but it's much, much slower than what you said, even on really low-quality PSUs with crappy caps and other low-end components.
    
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post #14 of 46
Quote:
Originally Posted by AdmiralThrawn View Post
I'm having no luck selling mine for $100 less than I paid for it, but I check on eBay and I see similar models being sold for ~35% of their new value. Why is that?
Im having trouble selling a brand new one for less than retail.

Dont know understand why, and other parts somehow even when used sell for almost close to same price of retail.
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post #15 of 46
I mean I have heard of PSU degrading (especially the capacitors) over time, but never give out arbitrary numbers like that. Its simply not true.

Bad PSUs die usually because of just overall poor build or insufficient cooling. Most Corsairs, Antec, and Silverstones, many more usually come with nice big fans and excellent build quality

Most power supply companies have at least 3-5 warranty on their PSU's so I cant really think of a reason why they sell for so low.

I just think the demand is low for a 1500 watt PSU. People have no such need for 1.5 Kilo PSU
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post #16 of 46
Thread Starter 
*facekeyboard*

Well that throws a rather large wrench into my bank account. Thanks for the tips guys.
post #17 of 46
Quote:
Originally Posted by maxhudson View Post
So am i completely wrong, or is my percentage just way too high?\\

EDIT: BTW no i am not on crack... apparently i just have a retard friend
Your percentage is too defined.

I'm sure I could take 20%+ off a high quality PSU in one year if I ran it in 40C ambients at 90% load the whole time.
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post #18 of 46
Quote:
Originally Posted by maxhudson View Post
they are worth so little, because over time they lose their power (usually 20% every year if its running 24/7). its just the way it works

a 1000w psu after 1 year will be an 800w psu, then a 640w psu, then a 520w psu and so on...

you have to account for it being a used item, and it not being capable of upholding its origional specifications
lulz... dont mislead and post false info brah
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post #19 of 46
Quote:
Originally Posted by Phaedrus2129 View Post
20%/year? No. Maybe with low-end trash. With good power supplies it's more like 2-5%/year if it uses decent Chinese/Taiwanese caps (OST quality or similar or better), and <1%/year for Japanese caps, at least for the first few years.


They're worth so little because... Because. Everyone wants to buy new, since unlike graphics cards there's no way to test to ensure full functionality without an ATE and oscilloscope.
Quote:
Originally Posted by Blameless View Post
They do degrade. Capacitors, fets, and other components wear out.

I doubt you can accurate guess how much wear one will take without knowing what kind of load and temperatures its used under.

Used PSUs are risky, as you have no idea of knowing how much usable life it's got.
Both of these.

In the end it is kinda sad.
 
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post #20 of 46
Quote:
lulz... dont mislead and post false info brah
dont say lulz and brah in the same setence "brah"
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