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Thread: Current spike detection by housekeeping/supervisor IC

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    Default Current spike detection by housekeeping/supervisor IC

    PSU, what to buy?

    What is the best choice from these 3:
    -Super Flower golden Green Pro 650W ATX 2.3 (SF-650P14XE) -€ 76.00 +€ 7 postal fee
    -Corsair Vengeance 650M 650W ATX 2.4 (CP-9020112-DE) -€ 69.90 +€ 2 postal fee.
    -Enermax Triathlor ECO 650W ATX 2.4 (ETL650AWT-M) € 66.45 +€ 2 postal fee.

    What is the best choice for the money?
    Super Flower is probably the most quallity one.

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    Currently my PSU is CHIEFTEC GPS-400AA-101A 400W
    My config is:
    CPU: Intel Xeon E5420
    GPU: Ati 7850 1GB DDR5
    RAM 8GB DDR2 800MHz
    HDD 1TB Samsung

    Thanks all for the answers.
    I know that my PSU is enough for my current setup, but if I buy a new GPU, CPU or add more HDDs I want to be sure that PSU will run it.

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    Quote Originally Posted by quest for silence View Post
    Future proofing is just a self deception: no contemporary single GPU or single CPU may require a 650W PSU, so do yourself a favour, don't lie to yourself and pick a decently sized PSU.
    What is a decently sized PSU in your opinion? Can you recommend one?
    Price differences for Corsair Vengeance (without delivery costs):
    500W (not modular) / 58€
    550W / 63€
    650W / 70€

    Would my current 400W be on the edge with some more powerful GPU?

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    Quote Originally Posted by KLLINT.I.82 View Post
    Would my current 400W be on the edge with some more powerful GPU?
    It could be on the edge because it's an about ten years old, cheap PSU with LESS than 29A on the 12V rails (so actually it's a 350W PSU for contemporary PCs), BUT NOT because of a supposed "400W" rating.

    Just for instance, nowadays a Vengeance 400W PSU may very easily feed an overclocked Core i7 6700K with an overclocked Radeon RX 480 8GB, and it might even go up to a mildly overclocked AMD FX 8350 (~4.4GHz) with a factory overclocked Radeon R9 390: do you plan to use more power hungry hardware than this?
    Best, Luca

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    Quote Originally Posted by quest for silence View Post
    and it might even go up to a mildly overclocked AMD FX 8350 (~4.4GHz) with a factory overclocked Radeon R9 390: do you plan to use more power hungry hardware than this?
    That is probably a bit to much, but a more normal configuration should work of course.

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    Quote Originally Posted by -The_Mask- View Post
    That is probably a bit to much, but a more normal configuration should work of course.
    It should work at stock or low OCed.

    If you want to keep a lower-to-mid end system, even a cheaper Seasonic ECO 430W would handle an i5 6500 + RX 470 fine, for example.

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    An R9 390 alone can have power consumption above 300W. So can the FX 8350 go above 100W. Even without overclocking you would run the Vengeance 400 past its rating under heavy loads. Then take into account brief transient spikes you may even trigger OCP if you get unlucky.

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    Quote Originally Posted by -The_Mask- View Post
    That is probably a bit to much, but a more normal configuration should work of course.
    Well, my guesswork was based upon the Corsair's blog data: with a moderate vcore (under 1.38V?) 4.4GHz were possible with 10-15W DC power penalty, so under gaming I'm expecting as possible a 370-380W DC power target with a custom R9 390. Do you think I'm far off?
    Best, Luca

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    Well that's not the max power consumption, some just have a higher power consumption then others because of the differences in standard voltage, different clocks and different power target.

    https://www.techpowerup.com/reviews/..._Nitro/21.html

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    Quote Originally Posted by -The_Mask- View Post
    Well that's not the max power consumption
    Absolutely no (and take also note of the conditional tense in the post you commented).

    On the other hand, while playing games is mandatory (with a gaming card), playing Furmark is not: so that, I might even say the 277W DC peak gaming figure of the Sapphire Nitro card you linked may still be compatible with a sub-400W DC power target, (just) in gaming.

    At any rate, that's not that important!
    Best, Luca

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