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Thread: Corsair CX600 - Switch or keep? (Bought in Late 2016)

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    Default Corsair CX600 - Switch or keep? (Bought in Late 2016)

    Hi power supply experts,

    My system (i7 6700 and GTX 1070) is running with a Corsair CX600. I could not find a review for this model on the site so I need some help.

    I recently just found out that it will only deliver its maximum capacity within a temperature of 30 degrees Celsius. I did not know this when I purchased it.
    I will be soon moving for college and won't be able to afford air conditioning all the time in my room. Weather is going to be relatively humid during all times other than winter. Temps hover between 28-31 degrees within the room. I will only have a ceiling fan running.

    I do play games quite often, and my GPU temps do reach 73 degrees and CPU around the same. The case is a NZXT S340 so the CX600 is under a shroud, along with many of the SATA, PCIE and Molex excess cables stuffed under there.

    Question is: Do I need to switch out this power supply for a better one? I am kind of low on funds at the moment so I would prefer to at least use this for a year more. Note that I did buy it in November. I just want the system to work and not die out, taking a few parts with it on the way. If it is a must to upgrade, I can try my best.

    I tried to sell the power supply, but no interest in my ads.

    Thanks in advance.

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    You haven't told us anything about your setup except the case model, so we can't say if your PSU is adequate or not.

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    No you don't have to replace it, but you didn't bought a good power supply. For the same price as the Corsair CX600 you could probably have bought a much better 400/450W power supply.

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    Quote Originally Posted by Orion View Post
    You haven't told us anything about your setup except the case model, so we can't say if your PSU is adequate or not.
    Hi, I mentioned that my system has an i7 6700 and a GTX 1070 in the original post. I'll add on:

    Both CPU and GPU are at stock speeds.
    i7 6700 @ 3.4Ghz. Turbos up to 4.0Ghz
    EVGA GTX 1070 SC 8GB GDDR5, 1800Mhz.
    32GB of 2400Mhz Corsair LPX DDR4 Ram
    500GB Kingston UV400 SSD
    1TB WD Black HDD
    Stock Intel CPU cooler
    NZXT S340
    2 stock case fans - One intake in front, exhaust besides I/O.

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    Quote Originally Posted by -The_Mask- View Post
    No you don't have to replace it, but you didn't bought a good power supply. For the same price as the Corsair CX600 you could probably have bought a much better 400/450W power supply.
    But what if room temperatures go above 30 degrees?

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    Quote Originally Posted by Gmanliving View Post
    But what if room temperatures go above 30 degrees?
    Then the rated capacity (power) have to be derated/decreased.

    BTW the general/generic room temperature is not the PSU rated temperature, I mean, it is usually lower than that, given that the PSU is usually inside a case (where it's hotter).
    Best, Luca

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    Quote Originally Posted by Gmanliving View Post
    But what if room temperatures go above 30 degrees?
    Different areas of the PSU are different temperatures. It's one of the reasons I'm not a fan of the 30/40/50C temp ratings of a PSU, I feel like they don't hold up to any real standard.

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    Quote Originally Posted by Gmanliving View Post
    But what if room temperatures go above 30 degrees?
    According to Corsair it then can't deliver 600W anymore. But I expect it would even do 600W at 40 degrees Celsius. But it doesn't matter much because your PC takes around 250W max out of the PSU with heavy load. So even when the PSU only could deliver 500W with a room temperature of 50 degrees Celcius, it still is way more then you ever need.


    Quote Originally Posted by turkey3_scratch View Post
    Different areas of the PSU are different temperatures.
    Yeah so? It is still dependent on its weakest link.
    It's one of the reasons I'm not a fan of the 30/40/50C temp ratings of a PSU, I feel like they don't hold up to any real standard.
    Do you understand what it means? It has "nothing" to do with the internal temperature of the PSU. It's about the external temperature. Because the external temperature is higher the internal temperature also rises.

    So if the PSU is rated for 600W at 30 degrees Celsius. It means that external temperature should be max 30 degrees Celsius. Internal temps will be higher, some only by a bit, some a lot higher. How hot isn't important for you, it's something the manufacturer has looked at and it's something you can't measure.

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    I have a question for you. What's considered ambient temperature? The ambient temp the fan takes or the ambient inside the case, even having the fan facing down?

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    Wouldn't the temperature inside the case be the ambient temp? Or it could be the temp of the surroundings.

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