Pro-4000W
Grow Lights415W
The Pro-4000W is BESTVA's quantum-board fixture, and like the rest of the line it is named for the HPS it is pitched against rather than what it draws: 415 watts at the wall, put up against a 2000 watt HPS. The board carries 912 pcs of Samsung LM301B diodes — BESTVA rates that chip at up to 230 lm/W — behind a Mean Well HLG series driver.
Flowering coverage is given as 6x6 ft at 14", with a 120° beam. Cooling is passive through a 3 mm aluminium plate with holes in both the plate and the glass so heat convects out rather than sitting on the diodes. Rated lifetime is 100 000h.
A board and a driver at this size is a room fixture. Note BESTVA's own page disagrees with its own title on the diode count.