Everybody told me 10 strips on 2 HLG 320 driver would be overkill in 3x4. But im blasting full power and plants are loving it, no lightburn at all.
So if it was me building for 5x5, i would prolly try to jam 16 strips in there on 2pcs 480 or 600 drivers. Would be mental! :)
NB: This is coming...