i7-4790K + GTX 780

Ok, Is 600mm worth of rads enough for this ??

I was thinking of putting this in the Fractal Design Arc Mini R2 by taking out the 5.25" bay.

http://www.frozencpu.com/products/15069/ex-wat-201/Ek_H30_240_HFX_Advanced_Liquid_Cooling_Kit_-_CSQ_EK-KIT_H3O_240_HFX.html

http://www.frozencpu.com/products/16238/ex-rad-411/Alphacool_NexXxoS_Monsta_Triple_120mm_Radiator_-_80mm_Thick.html

http://www.frozencpu.com/products/13237/ex-tub-906/Phobya_G14_Thread_38_ID_x_12_OD_90-Degree_Rotary_Compression_Fitting_-_Compact_-_Black_Nickel_62143.html    4 of em

Asus GTX 780 Poseidon.

 Also, will there be enough clearance for the 780 ?

BTW would temps be stupidly low for the gpu and cpu ?