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

Protection Features

OCP (Cold @ 27°C) 12V: 94.6A (133.62%), 12.093V
5V: 24.2A (121%), 5.032V
3.3V: 26.1A (130.5%), 3.365V
5VSB: 4.7A (188%), 5.05V
OCP (Hot @ 43°C) 12V: 94.2A (133.05%), 12.097V
5V: 24A (120%), 5.033V
3.3V: 25.8A (129%), 3.367V
5VSB: 4.7A (188%), 5.046V
OPP (Cold @ 27°C) 1132.65W (133.25%)
OPP (Hot @ 42°C) 1132.74W (133.26%)
OTP ✓ (145°C @ secondary side)
SCP 12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OK Proper operation
NLO
Fan Failure Protection
SIP Surge: MOV
Inrush: NTC Thermistor & Bypass relay

Given the platform’s design and parts, the OCP triggering points are conservatively set, but I would like to see a difference between the hot and cold OCP triggering points. The same goes for the OPP triggering points, which are identical! The rest of the essential protection features are present.

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

  1. 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?

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