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[HardOCP] Seasonic Platinum-1000W Review - Page 6

post #51 of 67
Fully modular is not only easier to sleeve but you have the option of easily changing cable lengths.
post #52 of 67
I also don't get the whole "more resistance" argument. If a fully modular unit is more efficient than a unit that has hardwired cables, doesn't that say even more about the quality of the modular unit? Resistance = wasted energy as heat, so if the unit's still incredibly efficient with added resistance, what's the issue?
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post #53 of 67
Quote:
Originally Posted by Homeles View Post
I also don't get the whole "more resistance" argument. If a fully modular unit is more efficient than a unit that has hardwired cables, doesn't that say even more about the quality of the modular unit? Resistance = wasted energy as heat, so if the unit's still incredibly efficient with added resistance, what's the issue?
The argument of added resistance was presented by PC Power & Cooling as part of their infamous PSU myths which made people think they needed non-modular PSU's with 80mm rear mounted fans, and single 12v rails.

The added resistance of a modular connector could potentially cause voltage to drop some. As it's evident with this unit, the voltage doesn't change at all on the minor rails, and the 12v rail drops so little it's a moot point.
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post #54 of 67
I forget where I read it, but one of the review sites tested the putative additional resistance of modular connectors, and found essentially none. I.e. -- no Voltage drop, no reduced current.
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post #55 of 67
This PSU is awesome. I want the Platinum 860W when it comes available. And I'm sure that one will get great reviews and a nice price tag.
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post #56 of 67
Quote:
Originally Posted by ehume View Post
I forget where I read it, but one of the review sites tested the putative additional resistance of modular connectors, and found essentially none. I.e. -- no Voltage drop, no reduced current.
There always will be some, scientifically, it's impossible to avoid.
Though it can be so small that it's effectively immeasurable.

Personally, I've not read that article before, but it's one of the many topics we know not to be true (by such great performing modular units like this one.)
Which also goes along with other myths, like the rear 80mm fan thing or the single 12v rail nonsense.
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post #57 of 67
Quote:
Originally Posted by Tator Tot View Post
Which also goes along with other myths, like the rear 80mm fan thing
80mm fan isn't a myth. No matter how you arrange the overheaded fan, it still doesn't push all the air out of back. 80mm's create more turbulance that force air to go out of back. Overheaded fans on the other hand depend on the shape of heatsinks and topology; for how much air is pushed out of back, and how much has to be blown on the modular board (not the exhaust side).
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post #58 of 67
But having one big rail makes for bigger and cooler explosions
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post #59 of 67
Quote:
Originally Posted by Johnny Doe View Post
80mm fan isn't a myth. No matter how you arrange the overheaded fan, it still doesn't push all the air out of back. 80mm's create more turbulance that force air to go out of back. Overheaded fans on the other hand depend on the shape of heatsinks and topology; for how much air is pushed out of back, and how much has to be blown on the modular board (not the exhaust side).
The myth was that the 120mm overhead fans would cause units cooled with them to overheat.

And with more efficient units, you don't need to really worry about the cooling as much. Since there's so little heat being kicked off. Compared to the units of the past, at least.

While yes, they do cool better; they're also louder and do not make much of a difference in this day and age. Especially with a design like Seasonic, where most of the housing becomes a passive heatsink.
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post #60 of 67
Quote:
Originally Posted by Tator Tot View Post
And with more efficient units, you don't need to really worry about the cooling as much. Since there's so little heat being kicked off. Compared to the units of the past, at least.

While yes, they do cool better; they're also louder and do not make much of a difference in this day and age. Especially with a design like Seasonic, where most of the housing becomes a passive heatsink.
Yeah, I personally replace them all with faster ones for the good of the unit (and mind...).

That said, there're a fair amount of units with silent 80mm fans. In fact, those old Topower with dual 80mm (you know, those with Chrome finish) were very silent. 80mm doesn't have to ramp up unless you load the unit all the way up, so most the time, they aren't actually loud in spite of what people think.

I wish most still did dual 80mm. That was a solid design with the least air resistance, and the most pressure in push-pull.
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