Can I Harm my components using a R9 290 with a 500w PSU

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noodles888

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Aug 8, 2017
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I recently RMA'd my MSI R9 270 and they replaced it with an R9 290 :) The only problem is my psu is a cheap CX series 500 watt corsair PSU (i know it sucks), and the R9 290 calls for a 750w PSU.

It ran the heaven benchmarks for several hours today with no hiccups.

specs:
3rd gen 4 core i5
R9 290
1 HDD
6GB RAM
corsair 500w CX PSU

Thank you,

Noodles
 
Solution
clutchc
I suppose there is the theoretical possibility that as the PSU approached max safe capacity, the spikes and ripple could get bad enough to cause some damage to the system components. But real damage to system components could occur if the PSU died a catastrophic death and took out some other parts of the system. Of course, the PSU's components would be "damaged" if it died. But start saving for a new PSU. It is living on borrowed time.
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clutchc

clutchc

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I suppose there is the theoretical possibility that as the PSU approached max safe capacity, the spikes and ripple could get bad enough to cause some damage to the system components. But real damage to system components could occur if the PSU died a catastrophic death and took out some other parts of the system. Of course, the PSU's components would be "damaged" if it died. But start saving for a new PSU. It is living on borrowed time.
 
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Solution
D

Deleted member 217926

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38 amp 12v rail supplying 456 watts assuming you have a new model CX 500. Getting mighty close under load. CX units don't like being loaded. Have to agree with clutchc. Get a new power supply.
 
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D

Deleted member 217926

Guest
Not the refresh. The CX 500 has been out for years. The first 2 versions were based on the DSA II platform and only supplied 34 amps ( 408 watts ) on the 12v rail. The newer DSA III based units do 38 amps.

 
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