Which light should i buy?

My grow space is 1.5 x 3m
I have 4 big pots per 1.5m and scrogging

Originally I have been looking at this
600W x 2 + shipping about £950



But I have found a 50% off deal on quantum boards which are also lm301b

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I can get 3 of these inc delivery for £710

Link not working for 2nd I'll post photo

If you wanna play the baba roulette? Kingbrite is your best shot.

Good luck on warranty claims though, I would buy the drivers locally