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Old 08-15-2016
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Oklahoma Wolf Oklahoma Wolf is offline
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Arrow Seasonic Prime 750 Review

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At long last, we have a new power supply from Seasonic to take a look at. It is one of their brand new flagship series of units bearing the "Prime" moniker. Boasting things like super stable voltage stability, a ten year warranty, and ultra low ripple; the marketing department at Seasonic has been writing an awful lot of checks about these units. Let's see if the unit can cash them.
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Old 08-15-2016
HX520 HX520 is offline
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Impressive. Too bad about the hefty $179 price tag though.
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Old 08-15-2016
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Great review, great unit. Well done, Seasonic!

Does the EVGA 750 P2 at $130 not affect scoring here? 80+ Platinum units were used before when rating 80+ Titanium units.
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Old 08-15-2016
schnopsnosn schnopsnosn is offline
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Originally Posted by VSG View Post
Great review, great unit. Well done, Seasonic!

Does the EVGA 750 P2 at $130 not affect scoring here? 80+ Platinum units were used before when rating 80+ Titanium units.
Well, the EVGA 750 T2 is $189.99 in the EVGA-store, so I don't see an issue with that.

Where I personally see an issue is the retail pricing in Europe. The lowest price for that unit I can find is 215,92.
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Old 08-15-2016
HX520 HX520 is offline
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Scan has it for 189.99. The G-750 is 100 and the HX750i (Platinum) is 132.99, so I don't think it's worthwhile at that price...
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Old 08-15-2016
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The things that most impressed me were the capacitors. Nippon Chemi-Con series I NEVER saw on PSUs. Someone know about it?

CE on primary and W on secondary. I don't see any info on the website. Interesting

And of course, nice review.
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Old 08-15-2016
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Not enough Transformers puns, 2/10 review git gud.

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<music break - same annoying Fall Out Boy song over and over and over and over and...>
SOME LEGENDS ARE TOLD
SOME TURN TO DUST OR TO GOLD

This ripple without cable caps is very impressive.
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Old 08-15-2016
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breixobaloca breixobaloca is offline
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Originally Posted by Orion View Post
Not enough Transformers puns, 2/10 review git gud.

SOME LEGENDS ARE TOLD
SOME TURN TO DUST OR TO GOLD

This ripple without cable caps is very impressive.
Yup. Really impressive, nice work from Seasonic. The only thing I would like to see is digital system
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Old 08-15-2016
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Quote:
Originally Posted by breixobaloca View Post
The things that most impressed me were the capacitors. Nippon Chemi-Con series I NEVER saw on PSUs. Someone know about it?

CE on primary and W on secondary. I don't see any info on the website. Interesting
Tailor-made for Seasonic. You may see them elsewhere if SS didn't pay for exclusivity.

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Originally Posted by VSG View Post
Does the EVGA 750 P2 at $130 not affect scoring here? 80+ Platinum units were used before when rating 80+ Titanium units.
Just as a reference. The only fair comparison is among units of the same class, regardless of whether the price premium feels justified - feelings tend to be biased, and we're striving for objectivity in these evaluations...

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Originally Posted by HX520 View Post
Scan has it for 189.99. The G-750 is 100 and the HX750i (Platinum) is 132.99, so I don't think it's worthwhile at that price...
As above, that's a personal attitude towards cutting-edge tech, and I can respect that. Still no reason to dock this unit

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Originally Posted by schnopsnosn View Post
Well, the EVGA 750 T2 is $189.99 in the EVGA-store, so I don't see an issue with that.

Where I personally see an issue is the retail pricing in Europe. The lowest price for that unit I can find is €215,92.
EU is always going to be more expensive than US, nothing new there, sadly... Seeing stuff on the 'Egg that's 30% cheaper than over here will forever bring a bitter tear to my eye

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Originally Posted by breixobaloca View Post
Yup. Really impressive, nice work from Seasonic. The only thing I would like to see is digital system
Why? Obviously the analog implementation is just as good. What do you gain by going digital in this case? More complexity, more points of failure and higher price as well as somewhat lower efficiency at very low loads.

And hey, as far as I'm concerned, such precise tuning in full analog should be considered an art form

---

As for my own comments, did Seasonic give an official statement regarding the performance of the first sample? Does it belong to a known-not-as-impressive batch, do they claim it's a one-off, or is the performance variance significant on this model?

Otherwise, a well-deserved 10/10, would consider it a Prime example.

Great review, Wolfie!
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Old 08-15-2016
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Originally Posted by McSteel View Post
As for my own comments, did Seasonic give an official statement regarding the performance of the first sample? Does it belong to a known-not-as-impressive batch, do they claim it's a one-off, or is the performance variance significant on this model?
There's a Seasonic rep on the forums - I'll let him comment on that as he likes. Last I heard they were still looking into it.

I did find some soldering related issues on my breakout board after my first test on it, but fixing those and retesting didn't improve things enough to get it to where the second unit got. Enough to move it from 1.6% average regulation to 1% though.

Should note the second unit used the first one's cables to get the review numbers. That's why I think it's something with the VRM in the first one.

Even the first one would have cleared a 9.8 total score
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