Power supply in my iMac?

[iRaynor SK]

Hello, I have CTO iMac Retina 5K Late 2015 in specs:

4.0 GHz 4-core i7 CPU 6700K
R9 M395X Mac Edition GPU
16 GB of RAM
SSD disk

I can't find how much watts has Power Supply in my model. Can you help me? Thanks.

 

[rpmurray]

300 Watts

 

[iRaynor SK]

Thanks