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[TH] 80 PLUS Gold: Four Efficient 700-850 W Power Supplies - Page 4

post #31 of 39
Quote:
Originally Posted by AMD20x6 View Post
A PSU article is NOT a review if it doesn't have a teardown. *Sigh*
Well it isn't like Mr. Afschar could tell a double forward (ST-750G) from an active clamp forward (FSP Aurum) from an LLC resonant half bridge (SeaSonic X) design anyway. Let alone ID an LLC resonant phase-shift full bridge design (HCP-850) (though honestly I probably wouldn't figure it out either).
Edited by Phaedrus2129 - 5/20/11 at 9:34pm
post #32 of 39
I have the Seasonic X-series 750w GOLD, AWESOME unit. Fan comes on like 30 secs every 10 minutes... IDK what difference is between the 750 and 760w versions, but they are good. And don't dare say 10w, cause thats garbage... expect a steady 12.25v current under load.
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post #33 of 39
Im new, but have read for a while. I bought a XFX 750 a few months ago and to my readings its a seasonic. Most power supplies are not what they appear. I feel like I have a quality unit.
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post #34 of 39
Quote:
Originally Posted by Phaedrus2129 View Post
Well it isn't like Mr. Afschar could tell a double forward (ST-750G) from an active clamp forward (FSP Aurum) from an LLC resonant half bridge (SeaSonic X) design anyway. Let alone ID an LLC resonant phase-shift full bridge design (HCP-850) (though honestly I probably wouldn't figure it out either).
Where's my delorean?

I want more efficient PSU's, this is good.

As a question are there any consumer (as in, readily available) PSUs with platinum ratings or are they just for show?
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post #35 of 39
Quote:
Originally Posted by Phaedrus2129 View Post
Well it isn't like Mr. Afschar could tell a double forward (ST-750G) from an active clamp forward (FSP Aurum) from an LLC resonant half bridge (SeaSonic X) design anyway. Let alone ID an LLC resonant phase-shift full bridge design (HCP-850) (though honestly I probably wouldn't figure it out either).
HCP-850 is a LLC Resonant Full Bridge; but even then, looking at the unit would be hard to determine that without having a good look at components.

Unless you saw a full bridge in the past.
The Double Forward, Half Bridge, and Active Clamp Forward designs are pretty traditional though. It wouldn't be hard to ttell on them if you had knowledge on PSU Topology & Design.
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post #36 of 39
Does anybody know the cable lengths of these PSUs?

First post, btw.
post #37 of 39
Quote:
Originally Posted by CalciumHuge View Post
Does anybody know the cable lengths of these PSUs?

First post, btw.
It's listed in the article.

Cable Lengths are also posted on each companies website.
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post #38 of 39
Quote:
Originally Posted by Tator Tot View Post
HCP-850 is a LLC Resonant Full Bridge; but even then, looking at the unit would be hard to determine that without having a good look at components.

Unless you saw a full bridge in the past.
The Double Forward, Half Bridge, and Active Clamp Forward designs are pretty traditional though. It wouldn't be hard to ttell on them if you had knowledge on PSU Topology & Design.
That's pretty much what I said, except with the implication that Mr. Afschar doesn't know those things, since he's a journalist and doesn't appear to have much, if any, experience with this type of electronics.


Also, Christoph described the HCP-850 to me as being phase-shift full bridge with "a bit of" LLC resonance. I don't know what that means, really, but...
post #39 of 39
Quote:
Originally Posted by Phaedrus2129 View Post
Also, Christoph described the HCP-850 to me as being phase-shift full bridge with "a bit of" LLC resonance. I don't know what that means, really, but...
It's still a LLC Resonant design, but it has some characteristics of a Phase-Shift design in it as well.

It's Full Bridge through and through though.

He's probably referencing something Antec & Delta did together to take the design of the HCP-1200 and tune it down to HCP-850 & HCP-1000
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