10x10 with 4x 630 watt quantum boards.
That is manageable. Rooms with 5-10,000 sqf have challenges to overcome. Its the main reason not many use LED in large rooms. I have seen a few. They did it to save $ of there operating costs. There getting great results but they said they took a yield hit when they swapped over. There doing more training keeping there canopy full. Everything below the canopy is removed. I'am seeing a few more start testing with LED. I see Gavita has a LED 645W light now.