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Thread: New Corsair CX non modular starts to show up in webstores in Europe

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    One PCIe for 450W is still ok I'd say, only 2 for 650W is a no go.

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    Quote Originally Posted by jonnyGURU View Post
    Not a typo on the PCIe. The 450W has one PCIe and the 650W only has two.
    I don't get it? Why do the Vengeance 400 and CX450M both have two, but a CX450 only comes with one? How much would +/- 8cm extra cable for the PEG connector and one extra 6+2 pins PEG connector costs?

    Quote Originally Posted by Philipus II View Post
    One PCIe for 450W is still ok I'd say, only 2 for 650W is a no go.
    Who would need a 450W PSU with only PEG connector? With a Ryzen 7 1800X and RX 480 or GTX 1060 the power consumption won't reach the 300W without overclocking.

    650W with only one PEG cable is also a bad move. A 650W PSU is enough for a Ryzen 7 CPU with a R9 295X2 or Titan Z. But with this PSU the PSU will power the graphics card through one PEG cable. Probably with 18AWG wires, that's gonna be a nice voltage drop.

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    One 8-Pin-PCIe is enough for GTX 1080. I wouldn't wanna run a 1080 with AMD Ryzen with any group regulated PSU.

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    Quote Originally Posted by Philipus II View Post
    One 8-Pin-PCIe is enough for GTX 1080.
    Yes but most GTX 1080 cards need two PEG connectors, same goes for the GTX 1070. 450W PSU with only one PEG connector just doesn't make any sense, that's something a 250/350W PSU needs.
    I wouldn't wanna run a 1080 with AMD Ryzen with any group regulated PSU.
    No but this isn't a PSU with group regulation.

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    Quote Originally Posted by -The_Mask- View Post
    Who would need a 450W PSU with only PEG connector? With a Ryzen 7 1800X and RX 480 or GTX 1060 the power consumption won't reach the 300W without overclocking.
    Last year, I'd agree with you.

    Today I tend to disagree, because:
    http://geizhals.de/?cat=gra16_512&xf...228+-+GTX+1080

    And 1 8pin equals 225W TDP for a GPU card...
    So that is OKish, these days as dual 6pins are pretty rare these days and 6+8pins only comes on OC cards and ultra high end ones like Fury X and GTX1080Ti...

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    In your link you can already see that a lot of GTX 1070's and GTX 1080's need two PEG connectors. You can also see that there are more GTX 1080's with two PEG connectors then there are with one. So all those people need to go with the 550W version because the 450W version doesn't have enough PEG connectors. That also means the Corsair CX450 can't compete with other 400/450W PSU's. Because it only has one PEG connector you now need to compare the CX550 with the CX450M/CX550M Vengeance 400/500/550M, Pure Power 10 (CM) 400/500W, Antec VPF 450/550W, Cooler Master GM 450/550W.

    So if you are looking for a PSU for a PC with a 300/350W power consumption and you need two PEG connectors. Then the new CX serie is not that interesting anymore because the 550W version is more expensive then the 400/450W PSU's of the other manufactures.

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    Quote Originally Posted by -The_Mask- View Post
    Vengeance and CX450/650M are the same platform, CX750M and CX850M are a different 80PLUS Bronze platform.
    But CX (not M) is NOT LLC as advertised in OP.

    BTW I think I got hype but eventually these Santanas bothered me: small bulk caps (HUT/ripple issues), insufficient connectors, cheap topology, cheap caps, relatively noisy, they can't be the cheaper alternative to good PSUs, they're just cheaper than good PSUs.
    I won't recommend anymore.
    Best, Luca

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    Quote Originally Posted by quest for silence View Post
    But CX (not M) is NOT LLC as advertised in OP.
    This new 2017 revision does uses a LLC resonant converter design, all the old CX power supplies before where double forward from the first CX400 till the last ones.
    BTW I think I got hype but eventually these Santanas bothered me: small bulk caps (HUT/ripple issues), insufficient connectors, cheap topology, cheap caps, relatively noisy, they can't be the cheaper alternative to good PSUs, they're just cheaper than good PSUs.
    I won't recommend anymore.
    It's indeed noisy, could be much more silent. But otherwise not much wrong with the series. If you expect Corsair RMx performance and quality for a CX price your not really realistic.

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    Quote Originally Posted by -The_Mask- View Post
    This new 2017 revision does uses a LLC resonant converter design, all the old CX power supplies before where double forward from the first CX400 till the last ones.
    So how many revision/different platforms there are in production?


    Quote Originally Posted by -The_Mask- View Post
    It's indeed noisy, could be much more silent. But otherwise not much wrong with the series.
    All what I pointed out.


    Quote Originally Posted by -The_Mask- View Post
    If you expect Corsair RMx performance and quality for a CX price your not really realistic.
    As said by others, a more balanced product would have been better option, (and some better/different caps/cables would have cleared most of issues).
    Best, Luca

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    Quote Originally Posted by -The_Mask- View Post
    This new 2017 revision does uses a LLC resonant converter design
    You have pictures of that?

    But to be honest, I suspect LLC Resonant converter to be the standard for PC Power suppys and succed the old double forward PWM controlled ones...

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