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PSU advice

Discussion in 'Power Supplies' started by VB6, Nov 27, 2018.

  1. VB6

    Associate

    Joined: Nov 26, 2005

    Posts: 41

    Hi guys, could I trouble you all for some advice please?

    Got a Mini ITX system that I want to put into a smaller case, which will mean investing in either a SFX or a small ATX PSU (150mm limit). My specs are:

    Ryzen 5 1600 (no overclock)
    2 x 8GB Ram (running at 2800MHz)
    Radeon Vega 56
    3 x 120mm fans
    Keyboard/Mouse
    USB powered speakers
    1 x 10k rpm HDD
    1 x SSD
    1 Corsair H105 AIO

    Punching those specs into various PSU calcs comes back at a usage of approx 450W at 'normal usage' I'm on a tight-ish budget if I do it now and am looking at 550W PSU's.

    I currently have a Superflower 650W but is way too big for the smaller case.

    Would the 550W be good enough or should I save up for a few months more and get a bigger one?

    Thanks a lot.