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Stable PC with Lowend powersupply

post #1 of 5
Thread Starter 
I was reading around here and google search,

is it true if your computer is stable and normally performed, and there really is nothing much to worry about unless something strange starting to happen etc?

I have been risking(under the concept of , low end psu will fail, high end won't) my system for a little bit over a week now, every performs perfectly since i got the 2900XT, (quick recap, everything on motherboard to the 500W and everything not on the motherboard on the 200W, refer to my sig system)

do i really have to worry about a thing if everything is working fine? or cheap PSU is bound to fail eventually? how about some technical answer instead of the experience or ratio,

will my 500W DEER power supply very likely to fail with this setup, and really what determine it (I have surge protect stuff to the power source)

frustrated cause i cannot afford any decent power supply for another month or so, don't want to see anything burn
Ultimate
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Ultimate
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post #2 of 5
its not a matter of fail, burn up or blow up.

its more that a poor psu sends electrical ripples thru the power. Which in turns destroys the electical components, like motherboard and graphics card and processor.

So even tho your computer seems stable, the power supply could be feeding pad power to the system and you dont notice it until a few months down the road when something stops working.

Low end power supply's also tend to state they can support x amount of wattage but in reality it only supports a lower wattage for continuous output. This means that even if your power supply supports 500 watts it might only be able to push 300 watts 100% of the time with spikes that can go up to 500 watts.
What that means is that your power supply will fail after a prolonged period of time.

Sometimes cheap power supply's can last 2 years before they go and sometimes longer, but chances are they could be hurting your parts and you not even realizing it.
Cosmos
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Cosmos
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2x120gig vertex2 Pioneer D212 H60 Win7 
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Westinghouse 37'' Logitech G15 Antec True 650W Cosmos S 
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by danewfie View Post
its not a matter of fail, burn up or blow up.

its more that a poor psu sends electrical ripples thru the power. Which in turns destroys the electical components, like motherboard and graphics card and processor.

So even tho your computer seems stable, the power supply could be feeding pad power to the system and you dont notice it until a few months down the road when something stops working.

Low end power supply's also tend to state they can support x amount of wattage but in reality it only supports a lower wattage for continuous output. This means that even if your power supply supports 500 watts it might only be able to push 300 watts 100% of the time with spikes that can go up to 500 watts.
What that means is that your power supply will fail after a prolonged period of time.

Sometimes cheap power supply's can last 2 years before they go and sometimes longer, but chances are they could be hurting your parts and you not even realizing it.
u know , this reply is really good, instead of saying stuff like "buy a better one" "Cheap PSU are ****" u actually give me something that helps me to understand what to expect.

yeah new PSU is already in plan b4 i post this thread, but not for a little while (say like a month or so, want to get a good one like at least a 600W CoolerMaster or something)

thanks for the reply
Ultimate
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1x 120GB Intel 320 Series SSD + 4x 1TB SATA Windows 8 Pro 64bit CM 750W 
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Ultimate
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CPUMotherboardGraphicsRAM
AMD FX-8320 Gigabyte 990FXA-UD3 ASUS Radeon HD6850 DirectCU 4x4GB Kingston DDR3 1600 
Hard DriveOSPower
1x 120GB Intel 320 Series SSD + 4x 1TB SATA Windows 8 Pro 64bit CM 750W 
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post #4 of 5
There is always a chance to fail regardless good or bad PSU but good PSU has less chance. You may be fine if a failure is caused by Electrolytic capacitor aging or system load etc but it can be worst if it burns your components because bad regulator. As you mentioned, CM real power 600w is good. Also, Corsair 550vx and 650tx have very good price.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by linskingdom View Post
There is always a chance to fail regardless good or bad PSU but good PSU has less chance. You may be fine if a failure is caused by Electrolytic capacitor aging or system load etc but it can be worst if it burns your components because bad regulator. As you mentioned, CM real power 600w is good. Also, Corsair 550vx and 650tx have very good price.

I dunno if u familar with this but, Shopping in canada without buying online is pain in the ass.

yeah that CM 600W is in the affordable price, Corsair price is not so friend in retail stores lol

thanks for the reply tho, so it is about how well and what companant that it is put together in a PSU
Ultimate
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CPUMotherboardGraphicsRAM
AMD FX-8320 Gigabyte 990FXA-UD3 ASUS Radeon HD6850 DirectCU 4x4GB Kingston DDR3 1600 
Hard DriveOSPower
1x 120GB Intel 320 Series SSD + 4x 1TB SATA Windows 8 Pro 64bit CM 750W 
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Ultimate
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CPUMotherboardGraphicsRAM
AMD FX-8320 Gigabyte 990FXA-UD3 ASUS Radeon HD6850 DirectCU 4x4GB Kingston DDR3 1600 
Hard DriveOSPower
1x 120GB Intel 320 Series SSD + 4x 1TB SATA Windows 8 Pro 64bit CM 750W 
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