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Delta PS2 EX Series psu need sum info

post #1 of 22
Thread Starter 
any one know were I can get a delta a PS2 EX Series psu ?
are there any reviews of them out there ?

looking at the 750w model and 850w

they look pretty good (as with all delta psu's)

I'd like to know any info you got on then too

http://www.delta.com.tw/product/ps/s...?pcid=4&ptid=1
Edited by 3dfxvoodoo - 1/23/11 at 9:23pm
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post #2 of 22
apparently the Antec EarthWatts 750W is a rebranded Delta PSU: http://www.hardocp.com/article/2009/...0w_psu_review/

I'm not sure if that is the exact same model, but from the pictures on the second page it looks like the same unit.

EDIT: I guess not? Specs for the EA 750 have 25A on each 12V rail, whereas the GPS-750AB A has 18A on each rail...
Edited by vladsinger - 1/23/11 at 9:44pm
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post #3 of 22
The 12v rails current limit is set in place on demand. So it can be 18a or it can be 25A. It's an OCP Set point and doesn't really mean a whole lot when determining OEM or Build.

Either way; that Delta unit is superb on the inside:


It's got dual Primary Caps, 105*c Japs, Indy Regulation, a very robust transient filter .


The only thing is that those particular units are actually 700w & 800w units when you go off 12v amperage.
750w Model = ~650w on the 12v rail
850w Model = ~750w on the 12v rail

That's all I can say bad about them really. Though it's still an excellent design from them. Because it's delta you can expect the build overall to be good really.

You should expect performance of the unit to be a bit better than the Antec High Current Gamer 900w as they both implore a similar design. Antec's offering is group regulated (Which is worse for voltage regulation)
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post #4 of 22
High Current Gamer series are indy regulated, not group.


And that design, while similar in layman's description, is very different in layout and such, we have no idea how it performs.
post #5 of 22
Quote:
Originally Posted by Phaedrus2129 View Post
High Current Gamer series are indy regulated, not group.
They look like group to me; I'll probably ask Christoph later as I could be wrong because Silverstone's Strider Plus units actually look like Group but they're Indy.

Quote:
Originally Posted by Phaedrus2129 View Post
And that design, while similar in layman's description, is very different in layout and such, we have no idea how it performs.
Actually I could almost put my money on it performing pretty well. Same design/topology to it. Also, these units are used in Dell machines.
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post #6 of 22
I have an HCG on my dining room table right now. Three coils on the secondary.
post #7 of 22
Quote:
Originally Posted by Phaedrus2129 View Post
I have an HCG on my dining room table right now. Three coils on the secondary.
Well it's not like Pictures are hard to come by.
Basically having just one of the coils heatshrinked is what's throwing me off.

Like I said, I'll just pull a strait answer from Christoph later.
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post #8 of 22
Just asked Christoph, High Current Gamer 750 & 900 are Group Regulated designs.
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post #9 of 22
Quote:
Originally Posted by Tator Tot View Post
Just asked Christoph, High Current Gamer 750 & 900 are Group Regulated designs.
Even Delta can't make a 900W group regulated design that can keep 1% regulation under heavy crossloads. SeaSonic and FSP have tried to do things like that before in the past, and they still touch or go out of spec in crossloading. The HCG-900 performs like an indy unit and has three inductor coils on the secondary. If it looks like a duck and quacks like a duck...

The HCG 400, 520, and 620 are all group regulated and show it. Christoph is in marketing, not engineering, I'd say he's confused.
post #10 of 22
I'm gonna trust his judgment on this considering he asked someone else before telling me.

And that middle coil (the heatsrinked one) doesn't look like it's used for the primary rails (12v, 3.3v, & 5v)

Typically small coils that are heatshrinked like that are used for the 5vSB rail.

P.S. PSU Geek Nerd Fight is not fair here, all of the cables on my PSU de-attach and mine dosen't way 30 pounds like yours does.
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