Seasonic S12 Energy Plus: Efficient Power for Connoisseurs

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FANS

The 550W model uses the same quiet ADDA fan that appeared in the original 500W and 600W models. Assuming the fan controller hasn't changed, this should mean that the Energy Plus will be able to live up to the quiet reputation of its predecessors.


The 550W model uses the same fan found in Seasonic's 500W & 600W S12's.

The 650W model is slightly different: It uses a slightly higher speed fan of the same make and model line. It can certainly be expected to be louder when going full tilt, but how quiet it is under ordinary circumstances (running at ~4V) remains to be seen.


The 650W model gets a higher speed fan.

CABLES AND CONNECTORS

Both models come with the same selection of cables and connectors. All cables are sleeved in vinyl mesh, and IDE drive connectors have grips for ease of removal. As promised, there are enough connectors for just about any system. Dual CPU boards are supported by an 8-pin +12V EPS connector, and systems with twin graphics cards get a pair of PCIe connectors.

There are a grand total of six SATA and nine IDE plugs spread over five different cable sets, each a slightly different length. The different lengths are unusual and are clearly intentional; the difference is to great to be sample variance, and both of our samples were consistent in having cable sets of different lengths. Perhaps they are meant to take into account the fact that not all cables need to reach the farthest reaches of the case.


A huge number of output cables and connectors is provided.

Cable Sets

  • 20" cable for main 20+4-pin ATX connector
  • 20" cable for auxiliary 4-pin +12V AUX connector
  • 20" cable for auxiliary 8-pin +12V EPS connector
  • 21" cable for 6-pin PCIe connector
  • 24" cable for 6-pin PCIe connector
  • 24" cable with three SATA drive connectors
  • 27" cable with three SATA drive connectors
  • 20" cable with three 4-pin IDE drive connectors
  • 24" cable with three 4-pin IDE drive connector
  • 28" cable with three 4-pin IDE drive connector
  • 6" adapter from 4-pin IDE to 2 x floppy connectors



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