Super Flower Leadex Platinum 550W Power Supply Review

by - 4 years ago

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A Closer Look – Interior


It certainly looks like Super Flower took their time with this one, as there’s a lot of hardware in here, but it’s beautifully spaced out and organized, which should help with the overall airflow and cooling greatly.DSC_4187

As we said before, the PSU has all Japanese capacitors, all rated to 105C. The main bulk capacitor is capable of up to 400v at 560uF, so I suspect we may see this unit pull more wattage than it is rated for.

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There’s a huge bank of secondary voltage caps too, which again leads me to think this unit is going to be more capable that it says on the box; not that this is a bad thing.

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The EM/Line filtering stage. All neat and tidy in the corner and away from any major hardware. Hopefully, the adequate spacing on the components should help reduce any noise and ripple in the power delivery.

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There are a few smaller daughter boards which come vertically from the main PCB. This will help greatly with cooling each of them and there are even a few smaller finned heat sinks on each to help even further with the cooling.

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There’s also a large cooling fin on the higher voltage hardware. Overall, the layout and interior design is very well executed and better than what I’m used to seeing in units rated for this wattage.

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The fan is a very nice quality Globe Fan RL4Z B1252512M. The 135 mm DBB fan has automatic control and semi-passive functionality, so it should be nice and quiet.

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Article Index

  1. Introduction and Packaging
  2. A Closer Look - Exterior
  3. A Closer Look - Interior
  4. Test Procedure
  5. Efficiency, PFC and Voltage Regulation
  6. Ripple Testing
  7. OPP and Max Wattage
  8. Fan Speed
  9. Final Thoughts
  10. View All

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2 Comments on Super Flower Leadex Platinum 550W Power Supply Review

  • Avatar tomekkk1 says:

    Couple of confirmations of things we can read in this test, plus one small issue found:
    • Bulletproof build without the doubt – every detail of PSU case has been made neatly, using proper solid materials.
    • Full set of aesthetic cables, easy to manage them as I wish, long enough
    for most of cases – connectors are pretty solid on both sides.Full set of aesthetic cables, easy to manage them as I wish, long enough
    for most of cases – connectors are pretty solid on both sides. Cables finishings are in finest quality, once connected they stays secure & tight in the sockets. Bag for unnecessary cables is an nice add-on too;
    • Stability – the voltages are really like frozen: idle, moderate load under full load, or quick changing load – doesn’t matter, still great stability;
    • Stone cold – now will be something quite interesting: I’ve got this unit in NZXT Noctis 450 PC Case, inside of integrated shroud. The fan is set in “ECO” (hybrid semi-passive mode), fan hole is located on top (I didn’t fit it up side down by purpose), where is only 2-3mm distance to the top of the shroud. Could say the heat must be generated inside, resulting that fan will by running very often. Nothing like that… To be honest it didn’t run even once yet. It is stone cold. The lowest case fan (with very reduced speed), located at the front of PC case surely makes the air moving towards PSU a bit – and this is the only ventilation there. Really the fan in this Power Supply is just like additional bonus – been given, but we never needed to use;
    • The only small issue is SATA supply cable. As most of the PC cases are
    now designed with PSU located at bottom I found this cable is designed
    other way round – like for PSU’s located at top of the case. That means
    if you connecting two or more drives (I have three HDD’s currently)
    firstly the lowest Drive needs to be connected using farthest plug we have on the lead, than next one above etc.
    After connect the last top one, rest of the cable needs to go back down to PSU –
    makes this area unnecessary busier than we need, which tat is only thing to consider if we have smaller / very low budget PC case.

    Generally – it is really silly to compromise own choice buying cheapest PSU. And now it is a lot easier to make right decision – we can reach for not very expensive Hi-End Power Supply in the price of Mid-Class. Cannot choose better…

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