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Do PSUs get less reliable over time?

post #1 of 7
Thread Starter 
I'm in the process of planning out an upgrade for my dad's old Core 2 Duo system. The 500W PSU that's inside has enough juice to power a modern system, but is there a high chance that something in it will give out within the next few years?
The Ancient
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The Ancient
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post #2 of 7
What kind of an upgrade are you thinking about and what are the specs of the PSU? If it is a cheap one it might actually be lower wattage then it claims. What is the +12v rail (or rails)

Though typically they will will degrade a little over time. Provided they are decent quality I will run them till they break though. I mean if it was putting out 40 amps on the 12v rail when it was new it is probably OK if it is putting out 37 amps after five years...provided your system is OK running on 450 watts.
Edited by Vagrant Storm - 4/25/14 at 11:21am
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post #3 of 7
What PSU is it you say nothing about brand or model
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post #4 of 7
In practice, the only things that degrade are fans and capacitors, and high quality Japanese capacitors easily last 5 years, probably at least 10, while junk brand capacitors will often start going bad in 3 years, and by 5 years there's a very good chance that most are bad. I'm using a Delta PSU made in 1999 that still has its original capacitors -- all Japanese, like Chemicon, Nichicon, and Rubycon, and a year ago I tested them and found they were still good for ESR and capacitance.
post #5 of 7
Thread Starter 
My bad - totally forgot to mention the most important thing. Anyways, the PSU is an Antec EarthWatts EA-500D.
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post #6 of 7
Quote:
Originally Posted by Peon View Post

My bad - totally forgot to mention the most important thing. Anyways, the PSU is an Antec EarthWatts EA-500D.

Thats a bit old but still decent today
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Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
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Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
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Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
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post #7 of 7
i had one of them and it died before the warranty, but give them their due they asked me to send a pic with the wires cut and they would send a replacement. The reason to cut the wires was that I was not prepared to pay postage for a duff psu back to them.

So Antec dealt with my problem quickly and it lasted longer than the warranty ! Hope they are as good today as they were then thumb.gif
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