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Thread: Should I replace my PSU?

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    Default Should I replace my PSU?

    Hi everyone, new guy here.

    Currently, I have a Coolmax ZX-700 80 PLUS and it's been running fine for about 7 months now. *Knock on wood* It even survived a power outage the second day of use.
    But lately I've been reading negative reviews toward it and comments such as "FOR THE LOVE OF GOD GET RID OF THAT PSU!" and so on. -_- I really don't want to change it because I have 0 experience with installing PSU's and I had Fry's Electronics assemble my PC. They also chose the parts for me accordingly to my budget. At the time I had no knowledge of power supplies. So what should I do?

    This is my current set up:


    Motherboard: MSI 970A-G46

    CPU: AMD FX-6300 (No overclock)

    GPU: ASUS AMD R9 280x

    RAM: 8GB

    Case: Enermax Ostrog

    Hyper 212 EVO CPU cooler

    2 blue LED Antec 120mm fans (as top exhaust fans, plugged directly into the PSU)

    1 120mm Cooler Master intake fan (Plugged into the mobo)

    (Not sure if the last 4 were important to mention but I thought I would anyway)


    I was thinking about getting this one because of it's reviews - http://www.amazon.com/Corsair-Modular-Bronze-ATX12V-EPS...

    Either that or this one - http://www.amazon.com/dp/B00KFAFRW6/?tag=pcpapi-20

    But I don't know if that's too much power. Can anyone help me out? Or do I even need to change my PSU at all? Someone from another forum told me that if it's been running with no problems for 7 months then it should be fine and that the reason it got bad reviews is probably because it doesn't give off as much power as it claims to. But i dunno man...this crap's giving me anxiety! D:

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    500W is all you need for ANY single GPU system. The XFX XTR 550W looks like it's available at a decent price ATM - http://www.amazon.com/XFX-Certified-...442931&sr=1-13. Your first link doesn't work, but the EVGA 750B2 is an excellent PSU - just overkill for what you need and less efficient than the XTR.

    And yes, definitely replace the (un)CoolMax. It's really not that hard to do. The connectors only fit into the right type of plug the right way. It's almost impossible to do it wrong.
    No wonder it doesn't work! You installed the coils backwards

    Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium.

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    Quote Originally Posted by c_hegge View Post
    500W is all you need for ANY single GPU system. The XFX XTR 550W looks like it's available at a decent price ATM - http://www.amazon.com/XFX-Certified-...442931&sr=1-13.

    And yes, definitely replace the (un)CoolMax. It's really not that hard to do. The connectors only fit into the right type of plug the right way. It's almost impossible to do it wrong.
    Thanks but would it matter if I got a 750w? I'd like to get a little more in case I want to upgrade something later on. Also, what do you think of the EVGA b2? I heard those have good quality.

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    Your first link doesn't work. I assume this is the one you meant:
    http://www.amazon.com/Corsair-Series.../dp/B00ALK3KEM

    Out of those, definitely go for the EVGA B2 750. Just read the respective reviews for each on this site and you'll see why:
    http://www.jonnyguru.com/modules.php...Story&reid=393
    http://www.jonnyguru.com/modules.php...Story&reid=416

    You only really need a 750W PSU if you're planning/want the option to Crossfire in the future. So if you can get a higher quality ~550W PSU for the same price/cheaper that might be a better option.
    I would highlight Seasonic G-550 and Cooler Master V550SM in addition to the XFX XTR.

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    Quote Originally Posted by NateBalzack View Post
    Thanks but would it matter if I got a 750w? I'd like to get a little more in case I want to upgrade something later on.
    Not with only one graphics card.

    The http://www.amazon.com/XFX-Certified-...442931&sr=1-13 is just a really great buy for $59.99 after rebate.

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    Quote Originally Posted by chasmcity View Post
    Your first link doesn't work. I assume this is the one you meant:
    http://www.amazon.com/Corsair-Series.../dp/B00ALK3KEM

    Out of those, definitely go for the EVGA B2 750. Just read the respective reviews for each on this site and you'll see why:
    http://www.jonnyguru.com/modules.php...Story&reid=393
    http://www.jonnyguru.com/modules.php...Story&reid=416

    You only really need a 750W PSU if you're planning/want the option to Crossfire in the future. So if you can get a higher quality ~550W PSU for the same price/cheaper that might be a better option.
    I would highlight Seasonic G-550 and Cooler Master V550SM in addition to the XFX XTR.
    I'm actually having second thoughts now...

    I just read some 1 star reviews on Amazon and a lot of people are saying the EVGA was either DOA, died on them a few months later and some even had their other components taken out. Seriously? Wtf man! >.<

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    Quote Originally Posted by -The_Mask- View Post
    Not with only one graphics card.

    The http://www.amazon.com/XFX-Certified-...442931&sr=1-13 is just a really great buy for $59.99 after rebate.
    But would it damage anything if I used a little extra wattage? I heard it will only use what the PC needs.

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    Quote Originally Posted by NateBalzack View Post
    But would it damage anything if I used a little extra wattage? I heard it will only use what the PC needs.
    If you don't need it has much more downsides then upsides. This XFX is only $59.99, for $59.99 you can find only really shitty ~"750"W PSU's. Even the EVGA SuperNOVA B2 750W isn't as good and costs $30 more. You probably need to pay double to get 200 useless watts more, for the same quality and performance.

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    Quote Originally Posted by -The_Mask- View Post
    If you don't need it has much more downsides then upsides. This XFX is only $59.99, for $59.99 you can find only really shitty ~"750"W PSU's. Even the EVGA SuperNOVA B2 750W isn't as good and costs $30 more. You probably need to pay double to get 200 useless watts more, for the same quality and performance.
    *Sigh*...

    I am completely flustered right now... -_-

    The EVGA has great reviews, however, both PSU's have 1 star reviews claiming it was DOA and/or died on them within a few months. UGH!

    I just don't know anymore!

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    Quote Originally Posted by NateBalzack View Post
    The EVGA has great reviews, however, both PSU's have 1 star reviews claiming it was DOA and/or died on them within a few months. UGH!
    Every power supply (or any product at all, really) will have some reviews like that. Remember that people that are dissatisfied with a product are much more likely to leave a review than people that are happy with the product.

    Say, for example, you have a store that sells exactly 1,000 of a certain power supply. Let's also assume that 5% of them are bad, half of the people that get a bad one will complain about it, and only 10% of the people with a good one will leave a positive review. They will end up with 25 negative and 95 positive reviews. This might mislead you to believe that something like 25% of them are bad, which is clearly not the case.

    As far as your other question, having more power than is needed will *not* damage anything, it's just sort of pointless.

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