780ti SLI power consumption

Solution
GeForce GTX 780ti - requires 42A on +12V rail and a 600W PSU minimum

Power Consumption GeForce GTX 780 Ti 2-way SLI

1.System in IDLE = 129W
2.System Wattage with GPU in FULL Stress = 617W
3.Difference (GPU load) = 488W
4.Add average IDLE wattage ~20W
5.Subjective obtained GPU power consumption = ~ 508 Watts

GeForce GTX 780 Ti 2-way SLI - On your average system the cards require you to have a 800 Watt power supply unit as minimum.

So yes you are fine to go.
GeForce GTX 780ti - requires 42A on +12V rail and a 600W PSU minimum

Power Consumption GeForce GTX 780 Ti 2-way SLI

1.System in IDLE = 129W
2.System Wattage with GPU in FULL Stress = 617W
3.Difference (GPU load) = 488W
4.Add average IDLE wattage ~20W
5.Subjective obtained GPU power consumption = ~ 508 Watts

GeForce GTX 780 Ti 2-way SLI - On your average system the cards require you to have a 800 Watt power supply unit as minimum.

So yes you are fine to go.
 
Solution