Seasonic X-Series 560W

Our latest candidate for PSU torture testing is the Seasonic X-560. Seasonic first garnered praise with the X-Series by offering a range of 80 Plus Gold PSUs from low wattage up through high wattage units, along with two passively cooled versions. Other reasons for their popularity are the 5-year warranty and outstanding internal design. Even most of the S12II and M12II models (which they don't generally offer as review samples) are getting awards all over the world for providing high quality in a mainstream market segment. At a price of $120 USD the X-560 is definetly not the cheapest ~550W power supply, but we're here to find out if buyers get more for their money.

As you can see in the picture Seasonic delivers a bag for modular connectors—the X-560 has fully removable cables. Also included in the packed are a power cord, four screws, a user's guide, and many cable ties. In short, Seasonic provides plenty of extras to keep the customers satisfied.

A note on the PSU informs users that this PSU works passively below 20% load. Features include "tight voltage regulation", "gold plated terminals", and a mainboard with many SMDs (surface mounted devices). High-class solid caps are part of the ouput filtering. And for the gamers among us, this PSU supports multi-GPU technologies, all with a reasonable rating of 560W.

Appearance, Power Rating and Fan
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  • bryanb - Tuesday, March 22, 2011 - link

    To the comment about velcro straps: this model comes with 3 velcro straps with a Seasonic logo on them.

    I have three of these PSU's running from a low wattage router (brazos) to a high wattage desktop (4 core phenom.) One of the PSU's i received was DOA. The Seasonic RMA process is a single html page on their website that unfortunately does not yet include the serial numbers for this particular model in the java script validation logic. Therefore all RMA's have to be emailed and approved manually, which took over a week for the first response. Luckily for me, the NewEgg RMA process is much better than the Seasonic RMA process and within a few days I got a working replacement via NewEgg.
  • DLimmer - Tuesday, March 22, 2011 - link

    First off, Excellent review.
    I greatly value your expertise, and picked up an Antec TP-650 based off your review.

    Minor editing changes:

    <first page>
    Even most of the S12II and M12II models (which they don't generally offer as review samples) are getting awards all **other** the world for providing high quality in a mainstream market segment.

    ...all **over** the world...

    <last page, second paragraph>
    **Stargin** with the connectors, Seasonic shows an instinctive feeling for different...


    I appreciate your reviews and have used them when making purchases on more than one occasion. Thanks!
  • Martin Kaffei - Tuesday, March 22, 2011 - link

    Done, thanks a lot.
  • Drag0nFire - Tuesday, March 22, 2011 - link

    Dear Editor,

    I remember seeing a power supply review in the past that had a diagram of the length of each cable. Such a diagram would be very helpful in the future for making purchasing decisions, especially for those of us with cases where the power supply is far away!

    Otherwise, great review! Keep them coming!

  • vol7ron - Tuesday, March 22, 2011 - link

    Martin, could you do some testing of Titanium-Standard PSUs... specifically around the 1kW mark. There's only T-Standard available at NewEgg, which I think is around 500Watts, but if you could contact the vendors and get the 1kW versions - that would be nice.

    Your readers appreciate when you all analyze products that aren't/won't be available at NewEgg - me especially :)
  • Folterknecht - Tuesday, March 22, 2011 - link


    In the past, if I remember correctly, the numbers for 230V were included in your reviews here Martin, not only 115V for the american net. Why did you change that? I know this is an american site, but the audience is international ... .

    Gruß aus Deutschland

  • Martin Kaffei - Wednesday, March 23, 2011 - link

    It would be no problem to add these measurements next time.
    With this I just have more work and I didn't know, that 230VAC results are interesting for some readers here. Good to know.

    Grüße zurück.
  • MrSpadge - Friday, March 25, 2011 - link


    Nach ein Gruß aus Deutschland ;)
  • deadlockedworld - Tuesday, March 22, 2011 - link

    Reviews like this are why this site is more credible than many of its competitors.
  • DanNeely - Tuesday, March 22, 2011 - link

    maybe, but nothing is more fun than reading OklahomaWolf tearing into a cheap piece of junk.

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