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Thread: Seasonic Prime 850W Review

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    Arrow Seasonic Prime 850W Review

    A lot of people were impatient with Seasonic back when the Prime series of units were announced. They wondered when these units were ever going to hit the market, and why they were so content with EVGA and Super Flower getting the jump on them in the marketplace. When I reviewed the 750W model, it became apparent that Seasonic just wanted to make sure they got the job done right. Now, I have the 850W model on the load testers. Let's see if it measures up to some really lofty expectations.
    http://www.jonnyguru.com/modules.php...Story&reid=487

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    I still can't believe that these ripple values are produced without even the need for caps to be put inside the cables!!
    Simply amazing job from Seasonic!!
    CPU:Athlon 64 FX60 (2-cores) 2,6GHz
    Mobo:Asrock 939a785g
    cpu cooler:ArcticFreezer13 CO
    RAM:4 GB DDR 400MHz
    GPU:Asus 750 Ti 2GB
    PSU:Seasonic Platinum 660
    Monitor:Asus VE228HR
    Tower:Coolermaster Elite 430

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    Those Seasonic guys are such showoffs. Good job on that unit. I knew it was gonna be good, but that voltage regulation is out of this world awesome.

    Rig 1: Core i5 6600K - Asus Z170 Pro Gaming - Corsair Vengeance 16GB PC2666 RAM - MSI GeForce GTX1070 - Samsung EVO 850 500GB SSD + 2TB Seagate SSHD - Corsair RM550x - Fractal Design R5 - Win10 64

    Rig 2: Ryzen 1700X @ 3.9 GHz - Gigabyte X370 Gaming 5 - Corsair LPX 16GB PC3200 RAM - Gigabyte GeForce 1070 - 250GB Samsung EVO 850 SSD - Corsair RM650i - Win10 64
    HTPC: AMD A6-6400k - MSI FM2-A75IA-E53 mITX - 8GB Kingston HyperX 1866MHz - 3.5TB storage - Silver Power 460W passive - CM Elite 120

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    Absolutely amazing stuff from Seasonic, Superflower must be nervous now with such a good unit like this competing.
    My favorite thing of all is the tight voltage regulation,all Japanese caps,and barely no wires being used inside the PSU.

    Has Seasonic mentioned if there will be lower wattage units like this 650w? 550w? or maybe even higher like 950w? 1000+w?

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    600W fanless.

    Higher wattages will probably come later and won't use the exact same platform, this platform is only from 650W till 850W. But that's normal, platforms almost always scale 200/300W and above that a different platform is used.

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    Sweet mother of... That PSU was laughing at you while you tested it, Wolfy. Laughing heartily all the way through.

    This is fantastic work from Seasonic. It blows everything else out of the water. And it isn't even using digital control! I shudder to think what numbers a digital Seasonic PSU would turn in...

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    impressive as expected. I prefer not to have ribbon style cables on premium psus, but I'd use custom sleeves anyway.

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    Damned fine power supply...almost makes me want to go out and buy one to replace my Antec HCP-750 Plat.....almost.
    A lot of people ask me if I were shipwrecked and could only have one book, what would it be? I always say 'How to Build a Boat.'
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    Very sexy, PSU, WOW!!
    Rig1: 2009 Seasonic X 650w
    Rig2:
    2016 EVGA Supernova Titanium T2 1000w
    Retired: Enermax 950w Revolution

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    That's a really pretty PSU! I have just bought mine (850W)... But what I have noticed something weird:

    As with the 750W model, you push that button in the middle if you want the fan on all the time.
    On my PSU I need to push the button if I should want turn the hybrid mode on, so the exact opposite way.

    My unit:

    Pushed: hybrid mode on
    Not pushed: hybrid mode off

    Review unit:

    Pushed: hybrid mode off
    Not pushed: hybrid mode on

    Is my unit the intended way or did I just got one of these "faulty"-Units described in the 750W thread?

    I'm just a bit confused

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