Super Flower Leadex VII PRO 850W ATX v3.1 PSU Review

Efficiency Normal, Light & Super-Light Loads

Efficiency is satisfactory at normal loads is high. It is satisfactory at light loads, but on the low side at super light loads where it doesn’t achieve the recommended, by the Intel ATX spec, 70% mark.

Average Efficiency

The platform’s average efficiency is high.

Average PF

The APFC converter needs tuning for higher PF readings.

Average Efficiency 5VSB

The 5VSB rail is not efficient.

Vampire Power

Vampire power is high, especially at 230V input.

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15 thoughts on “Super Flower Leadex VII PRO 850W ATX v3.1 PSU Review

  1. May I please ask, why is there no review of the Leadex VII XG 850w? It’s highly recommended but I can’t find the review.

    Thanks again for the wonderful work.

  2. Do you think Super Flower Leadex VII Pro 850W is still a great option despite high In-rush current?
    Other options I have are Deepcool PX850G, Corsair RM850e and XPG Core reactor II.

    So what do you recommend ?

  3. Regarding the high inrush current
    will the high inrush current damage both the PSU and external voltage stabilizer in the long run? I currently use this PSU alongside a 1000 VA stabilizer.

      1. I’m not really familiar with electricity,
        does turning the PC off for days completely drain off the bulk capacitor?
        Also, will you still rate leadex vii pro as good as leadex vii XG?
        I was going to buy leadex vii XG since you rated it as the best overall performance, but it was out of stock in my country, so I bought the leadex vii pro

        1. Usually not. The bulk cap usually keeps a charge unless the PSU is off for a significant period, week, or even months. The XG seems to have slightly higher performance but you won’t notice it. You made a very good choice to buy the Pro, no worries.

      1. Hello, are these manufacturing differences for better or worse? in my country the leadex XG 850 and the leadex XP Pro 850 cost the same, after reviewing both and seeing the problems with the Pro, which one would you choose? Do you plan to review the leadex vii xp 1200 Pro?

          1. Based on your experience, in these models that come with fans with ECO or hybrid mode, do you recommend always using the fan on or having it work automatically based on temperature?

          2. Hello, could there be an error in the characteristics? What is the correct full-bridge or hall-bridge topology?
            thank you and greetings

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