Seasonic S12D-850 850W Power Supply Review
 

Seasonic's S12D 850 power supply is compatible with ATX 2.2 spec standard and supports the 24 pin ATX power connector by default. Seasonic rates the the +3.3V and +5V rails for 24 Amps and 30 Amps respectively, for a total combined output of 150W. There are two +12V lines, each can output 70 Amps for a combined output of 840W.

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