50w

So I ordered the 4x4 kit from Rapid LED that comes with 12 Cree CXB3590 COBs and 3 drivers run at 1400ma (50w). Then they released the 5x5 kit while my order was still processing that runs the Cobs higher at 2100ma (75w). So in my ignorance thinking more watts equals the more bud I will get, I...

I wanna DIY my grow led with 4 3070cree cobs.. I will power them at 50w each.. My question is should i Use passive heat sink or should i use pc cooler heat sinks ?? I have tgl60 and he has passive heatsink , it raises my tent temp by 3c..And in summer that is too much.. So should i use...