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  1. Replies
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    As there are more components in a resonant LLC...

    As there are more components in a resonant LLC PSU the probability for any of the components to fail is of course higher. However most LLC PSUs run cooler, so the components of a LLC PSU don't...
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    If you use the internal USB connector the 5 VSB...

    If you use the internal USB connector the 5 VSB rail might be interrupted for a short time while powering the system on and off. That depends on the mainboard you are using.
    If you need continuous...
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    The Focus Gold and the Pure Power 11 are the best...

    The Focus Gold and the Pure Power 11 are the best options in your case. The Earthwatts Pro and TX-M are louder. The MWE Gold might be crap, I don't know it yet.
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    There are even mooaaaare EVGA Gold series PSUs...

    There are even mooaaaare EVGA Gold series PSUs announced. G7, G5, GA and GD. G7 and G5 are Super Flower, GA is Andyson and GD is FSP (ACRF with DC-DC modules, so no Pure Power, Straight Power or GQ)....
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    For the secondary side heatsink of the 850W...

    For the secondary side heatsink of the 850W version however Asus relied on the stock heatsink by Seasonic. And noise-wise I don't really think those Asus parts are any better than the normal ugly...
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    It's an EMC reason. The heatsink has to be tied...

    It's an EMC reason. The heatsink has to be tied to a static potential (either positive or negative), otherwise higher common mode currents will be built up because of an higher stray capacitance to...
  7. I haven't experienced any problems with the...

    I haven't experienced any problems with the combination of a Vega 56 and a SF450 Platinum. See here:...
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    But even standalone PSUs have to be compliant to...

    But even standalone PSUs have to be compliant to the standby efficiency requirement. So it's not very likely that it is sold legaly in the EU.
  9. Power losses. Some PSUs use two or even three...

    Power losses. Some PSUs use two or even three bridge rectifier to lower the voltage drop across the diodes of the rectifier and thus the overrating lowers the power losses. That's why the active...
  10. With limiting on 230VAC you can build either a...

    With limiting on 230VAC you can build either a more efficient APFC for the same costs or a cheaper APFC by designing the APFC coil for the smaller input range.

    BTW if you wonder whether the fan...
  11. The only other way except filtering common mode...

    The only other way except filtering common mode currents is reducing the capacitance to earth of all nodes in SMPS that have jumping potentials.

    You can also achieve a lot by using an optimized...
  12. Replies
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    German media is nuts. hardwareluxx, PCGH and...

    German media is nuts. hardwareluxx, PCGH and heise don't get the difference in PFC efficiency and PSU efficiency. They write Seasonic would have a 99% efficient PSU.


    It's quite about the same as...
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    The ferrite core from the photo is placed at the...

    The ferrite core from the photo is placed at the earth wire, so there is no load current through this wire.

    Are you mixing it up with the neutral wire?
  14. I can only tell from the Antec EAG Pro which...

    I can only tell from the Antec EAG Pro which should be quite similar to the Focus Gold. And its performance is around the same to the Focus Plus Gold. But the ripple voltages are higher as the EAG...
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    968

    These aren't line filtering coils but the output...

    These aren't line filtering coils but the output rail coils. As these carry a lot of current they are no neglecting factor for loss dissipation.
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    No, but what would you do with all the steam? ;)...

    No, but what would you do with all the steam? ;)

    I know a review editor who uses 12V lamps that aren't very expensive as well:...
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    I don't know this PSU, but yes that could be the...

    I don't know this PSU, but yes that could be the case. But it doesn't make so much sense to put the sensor there with a PSU that has Schottky diode rectification at the secondary as these diodes get...
  18. I can not tell the difference between the noise...

    I can not tell the difference between the noise profile of the SF450 to the SF600, but the noise really depends on the testing methology. As the backside of the PSU chassis is used to transport the...
  19. Yes, because those use 120 mm Hong Huas. And I...

    Yes, because those use 120 mm Hong Huas. And I must say I am totally fine with them as well ;)
  20. Just look at the case depth of the lower wattage...

    Just look at the case depth of the lower wattage Prime Ultra units. With 140 mm it's identical to the Focus Plus.

    You don't just shrink the Prime platform within a few months to be able to fit it...
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    It's because otherwise there would be a...

    It's because otherwise there would be a continuous line between the 50% and Crossload points (see voltage regulation diagram). So I believe this representation is more comprehensible than the other....
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    The 550W model is way better than the G 550 in...

    The 550W model is way better than the G 550 in this regard. At high loads and medium ambient (26 °C) it is even quite silent.
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    There are studies using plastic heatsinks for...

    There are studies using plastic heatsinks for passive cooling. If you have small fins there isn't even a performance difference to aluminium. And there are also advantages for plastic like easy...
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    For passive PSUs plastic heatsinks can actually...

    For passive PSUs plastic heatsinks can actually be as good as aluminium ones :D The only requirement is an even heat distribution along the heatsink.
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    Since the Prime Ultra Platinum and Gold will have...

    Since the Prime Ultra Platinum and Gold will have a 140 mm case like the Focus Plus units, it wouldn't be a suprise that they use the same platform for both.

    Let's see :D
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