Package and Appearance
 



Either Seasonic had some help for their packaging this time, or else they hired a new designer. The packaging for this PSU is definitely more eye-catching than previous offerings, hopefully hoping to attract the attention of some new customers. The power supplies are well packed and include several accessories. Seasonic started the latest trend of not attaching any Molex floppy connectors directly to the PSU. Instead, an additional Molex adapter is included that provides two floppy connectors for users that continue to utilize our favorite slow storage medium. Those who have joined the rest of us in the 21st century are able to avoid a bit of extra cable clutter.
 





Like all other power supplies from Seasonic the S12II comes in a black matte coating. The fan and the fan grille are black as well, although there's a small change this time: the grille has a small blue Seasonic logo in the middle. The rear of the power supply is devoted to ventilation, other than the small area for the power cord and switch. Like many others, Seasonic uses hexagonal shaped holes for ventilation, which are supposed to create the least are resistance and produce less noise. Other than the fan intake, there are no other openings on the power supply, so the airflow only has one path to travel.

 

Index Cables, Connectors, and Fan
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  • Zds - Wednesday, September 19, 2007 - link

    Good review on a good product.

    What seemed a bit misleading, tho, was the statement about suitability of these models to dual-gpu machines. I know many marketing guys favor the "bigger is better", but it would not hurt to you, too, clearing out that the 330W model is powerful enough for practically any single-socket-single-GPU machine, and most of the dual-GPU ones, too and the 500W should be enough for almost any single-CPU-dual-GPU machine..

    And as most of the modern machines (C2D/Athlon, not P4) spend most of their time at idle, and most of them idle at 60-100W, the 330W model saves not just your ears, but real money, as you can run the machine at the sweet spot almost all of the time.
    Reply
  • gochichi - Sunday, September 16, 2007 - link

    I have to say that Seasonic is not a flashy brand, like Antec or something. It's more of a truly better product, it doesn't rely on its name I don't think. Do a lot of people really know this name?

    From my experience, Antec is just plain average quality with a lot of marketing dollars ... and while I would buy Antec again, I wouldn't choose it over most other brands. In fact, I'd generally avoid it, as 2 Antec PSs burned out on me and 0 of any other brand, even duck brand ones haven't failed on me.

    My Seasonic 330W is going strong for 2 years now and my system isn't exactly barebones although this power supply kept me away from the vulgar video card options.

    While I'm tempted by the performance features of 8800's and 2900s, it's the elegance of power efficiency and silence that does the trick for me. After going through the very beginning of 3D acceleration, with the original Voodoo, I can attest to the fact that power hungry cards are best regarded as beta versions, as prototypes, as overclocked. As research and development, and priced for zealots.

    In any case, I understand going with more wattage on the powersupply, I would do so myself (mostly, b/c I like having different operating systems in different hard drives). But Seasonic is quiet, classy, quality stuff that deserves my recommendation.

    I would go as far as to call it an underdog brand, it's not Corsair, it's little mentioned in recommendations... but it's really good stuff. Seasonic is like delicious wine, in a world dominated by beer.
    Reply
  • wibeasley - Saturday, September 15, 2007 - link

    The 330 version has been at newegg for at least a month. The "II" designation of the series isn't obvious from the title, but the box image shows it. The specifications show it as well, under the "Series" value.

    http://www.newegg.com/Product/Product.asp?item=N82...">http://www.newegg.com/Product/Product.asp?item=N82...
    Reply
  • bryanW1995 - Friday, September 14, 2007 - link

    I'll take the 620 hx that I just paid 127 AR at mwave instead of 115 for the 550vx. Reply
  • USAF1 - Friday, September 14, 2007 - link

    I'm still waiting to see a review of a Seasonic S12 Energy+ PSU. Seasonic claims a peak efficiency of 88%. Reply
  • Christoph Katzer - Friday, September 14, 2007 - link

    Between that one and now are still around 20 other PSUs which are laying around here and want to be reviewed... Reply
  • tynopik - Friday, September 14, 2007 - link

    several of the charts such as efficiency, PFC and noise should be done on a watts scale instead of a % load scale. This will enable a direct comparison between alternatives.

    If i have a 250W load, how does the efficiency and noise compare among the 300, 400 and 550W power supplies? It's impossible to tell currently
    Reply
  • Christoph Katzer - Friday, September 14, 2007 - link

    For what are the tables of page 6 then? Reply
  • tynopik - Friday, September 14, 2007 - link

    well yes i can figure out 50% load on a 500w PS is about 250w

    so yes it is 'possible' to compare numbers between different reviews, but certainly not easy

    and why use % load any ways? how is it relevant?

    convenience wise it sure would be handy to make, for instance, a single efficiency chart and a single noise chart with all power supplies that have been tested so far so you could see how they compare across the range of interest
    Reply
  • Christoph Katzer - Friday, September 14, 2007 - link

    Sounds good with the comparison, have thought about it already for an upcoming price guide. Reply

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