I currently run a 4x4 in a tent, with these 4xfotop800 boards + 3 fogro36 660nm strips @ 135w on each fotop800 board (max is 320w a board) + 96w of the red light: As seen here: https://i.imgur.com/c0lleAj.jpg ...I will be migrating to a 4x8 garden bed in an open room, no tent. Money isn't a big deal...