Bridgelux EB gen 3 strips in 4ft configuration would be the most cost effective. It would take 26-44 strips to cover a 9x5 depending on how much intensity you wanted between 30-50w psqft.
With 44 strips your best bet would be 4 sets of 480w drivers with either aluminum c channel or square tubing.
4x HLG 600H 42a drivers or 480w - can be overdriven to 502w - ~$130 each - ~$600 total
7 year warranty with Meanwell but you might consider Inventronics to save money.
96x Bridgelux EB gen 3 in 3-5000k - $15 each - ~$1440 total or 19x strips per 480w driver
You need 5 way wagos, junctions, NEMA power cables, 14g wire, aluminum for heat sinks, a way to mount the frames.
Here's a DIY guide for the previous eb generation. His configurations are at 75% efficiency compared to the had efficiency I recommended to you.
DIY LED strip builds have become very popular recently. The mid-power section of our forum is full of threads created by DIYers looking to build their own custom lights, and new builds and ideas are surfacing every day. If you don’t live somewhere where you have easy access to premade lights...
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That's more or less your whole budget if you go with 2400w while running C02 though inventronics 600w drivers are only $100. 480w is cheaper all around and gives room to make the frame/s functional.
Not on the same scale but my EB gen 2 have done well at 480w in a 4x4 and cost less than what even Alibaba has.
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