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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  • Beenthere - Tuesday, March 22, 2011 - link

    This is a decent PSU but I'm not a fan of modular cables for PSUs and this PSU is over-priced IMO.
  • ckryan - Wednesday, March 23, 2011 - link

    If you're not a fan of modular cables why would you even consider a COMPLETELY modular PSU? There aren't many of them on the market, only the Seasonics and the Corsairs (that are Seasonics).
  • erple2 - Wednesday, March 23, 2011 - link

    What price is some basic peace of mind? While I've never had a power supply blow up and damage any of my components, I've also never bought the $30 specials, either. I see this as more of an investment to the future.

    This PSU (like all high quality ones) has very good voltage stability (ripple plus total), which is the one thing that a PSU is supposed to provide. All of the other stuff is completely superfluous.

    Also, I think you're going to find that there are no other 80+ Gold certified PSU's that cost anything appreciably less.

    Though I do agree, I'm not a fan of modular cables - I would imagine that you'd get better voltage regulation if the cables weren't modular (a little bit better, at least).

    Plus, it's only $130.
  • Beenthere - Wednesday, March 23, 2011 - link

    I'd go with the PC Power and Cooling Silencer II for $100.
  • Termie - Tuesday, March 22, 2011 - link

    I've always been a bit confused about the pricing of this model, which has been out for a while now. It's very close to the x650 in price (at least when the x650 is discounted, which the x560 never seems to be). Is the x560 actually higher quality than the older x650/x750 models?
  • Martin Kaffei - Tuesday, March 22, 2011 - link

    It is.

    Well, not much. But the advantage is they have chosen better transistors. In addition the heatsinks for those SR transistors are larger now and the position of some components is different.

    Fine tuning.
  • Termie - Wednesday, March 23, 2011 - link

    Thank you, Martin. It's great to be able to ask the experts questions!
  • Uwanna - Tuesday, March 22, 2011 - link

    I did purchase the X850 instead of the X560 in this review.

    Once I saw the pictures of the internals on another website review I knew this was the one for me.

  • mino - Tuesday, March 22, 2011 - link

    "This is basically an 850W PSU that doesn't always run the fan."

    surely not 850W ...
  • MrSpadge - Friday, March 25, 2011 - link

    Sure it is. That's the whole point of this sentence ;)


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