They feature a finger grip on each side of the head which
makes them easy to grasp when inserting or removing the plug. We've seen this
same design recently on the AOpen Silent Power AO400-12AHN and we liked it then too.
The Seasonic S12-430 ships with an extra fan control
cable consisting of a Molex connector that branches off into three case fan
connectors, one 12V and two 5V. This can be used to attach additional
fans, with the added benefit of making the fans attached to the 5V connectors
run slower. A 24 to 20-pin ATX adaptor is included for attaching
the S12-430 to older motherboards. The
powersupply comes with a brief English help sheet which covered all the necessary installation
details fairly clearly, as well as explaining the Active PFC and Silent Focus
technologies in confusing detail. 
Necessary
troubleshooting points, as well as the pin connections of the S12-430's various
plugs are also covered.
Also
included with the package is the 'DR. Cable' cable
management kit, consisting of a couple of long strips of spiral cable wrap, a
cable hook that can stick to the top or inside of your case, and several
twist-ties. This is a nice addition to the bundle.
In use, the Seasonic S12-430 power supply made a slightly audible
rushing noise under full load, but was almost dead quiet when we turned it on
by bridging the motherboard power connector. This indicated that the
'silent focus' thermal fan control mechanism was working just fine. Even
at maximum, you are not going to here this power supply over the rest of
the components in your system.
Voltage Values and
Figures
*All voltages were read from the Motherboard BIOS of a
Chaintech VNF4 Ultra.
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