I have 4 HLG 550 v2 Rspecs inside a 10x10 grow tent. Two 4x8 tables inside, with two lights over each. One side of the tent is turned off, and I have about 80 clones or so on the other side with two lights on.
The veg footprint is 6x6 at 36. Since I am only needing to cover a 4x4 I felt like it...