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How Long Would you trust a PSU?

BFG GS-550

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#1 GabrielT

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Posted 15 February 2015 - 07:13 AM

I have this old BFG GS-550 power supply I pulled from an older build that needs a fan. The fan isn't locked up but it is very stiff and takes a few minutes to get moving on its own after switched on. 

It has seen about 8 years of service. 

 

I visually inspected it and I see no signs of capacitor bulging or aging and it seems to power on and work fine. 

Is there anything I should check for before I purchase a new 140mm fan for it? Should I check volts with my multimeter and if I did would I just look for stable readings on the 3.3v, 5v, and 12v rails respectively? 

 

Thanks in advance guys. 


Edited by GabrielTessin, 15 February 2015 - 07:16 AM.

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#2 SpikeSoprano

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Posted 15 February 2015 - 08:29 AM

The best way to check a psu is under some type of load, with nothing hooked up it might show all good voltages, but with a load on it the volts could drop, after 8 years it would have some voltage drop but still may be quite good.
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#3 GabrielT

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Posted 15 February 2015 - 09:49 AM

The best way to check a psu is under some type of load, with nothing hooked up it might show all good voltages, but with a load on it the volts could drop, after 8 years it would have some voltage drop but still may be quite good.

What kind of load would you suggest? Just swap it into a built rig and run a OCCT full stystem load test and measure the voltage? 

 

Johnny Guru gave it a great review back in the day so I am guessing if any PSU had a chance of lasting 8+ years it would be one of these.


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#4 SpikeSoprano

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Posted 15 February 2015 - 11:05 AM

That would work, also I've taken many a fan out of a psu, cleaned it up, put 1 drop of oil on the bearing and they quiet down and run great. If that works it won't cost you anything. :thumbsup:


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#5 paulktreg

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Posted 15 February 2015 - 12:36 PM

The BFG GS-550 has a MTBF of 80,000hrs or 9 years so unless you've run it continuously for 8 years I'm sure it'll be fine.


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#6 IVIYTH0S

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Posted 15 February 2015 - 01:36 PM

Man you have a collector's item!! I miss BFG...

Anyway, yeah I'd throw it under load with a computer and check its voltages :)

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#7 RHKCommander959

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Posted 15 February 2015 - 09:15 PM

I was using a thermaltake toughpower almost daily for 8 years before it got too wore out for my i7 system. Now I'm using an older 1KW OCZ/FSP design. Capacitors age and components wear, but it isn't so bad as you might think...


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#8 Black64

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Posted 16 February 2015 - 04:42 AM

I trust PSUs until they die. They are among my most loyal PC components.


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#9 GabrielT

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Posted 16 February 2015 - 07:59 PM

Man you have a collector's item!! I miss BFG...

Anyway, yeah I'd throw it under load with a computer and check its voltages :)

 

Yeah, they were a cool company, who else would plate a PSU in Black Nickle? 

I know a place in town that has a BFG 9800GT new in box. If they didn't want a fortune for it I think it would have sold by now.


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#10 ccokeman

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Posted 16 February 2015 - 08:55 PM

I trust PSUs until they die. They are among my most loyal PC components.

 

Same here. I have only had one fail on me and it was running 24/7 365 for 6 years at a load higher than it was rated for so I really cannot complain that it died. 


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#11 dr_bowtie

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Posted 17 February 2015 - 08:02 AM

I've had PSUs die from just sitting.

 

I've got an old Raidmax PSU and a OCZ 600w unit that worked on last fire up but sat 2 years on the bench and now dead. no bulging caps or anything.

 

I had an older Thermaltake that was in a rig that worked fine but was real dusty.... i blew it out real good and it never worked after that.... I'll run them until they either make a noise or they die.


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#12 ir_cow

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Posted 18 February 2015 - 02:56 PM

Yeah the good PSUs will just not turn off, verus cheap ones the blow out your system to. So I buy good brands and trust they have some quailty fail safes. I wouldn't worry really if it was rated good.


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