High Efficiency Commercial Indoor Horticulture LED grow light designed to replace a single-ended 1000watt HID with just 490 Watts. 1257 PPF @ 2.6PPF/W. Full-spectrum. Reliable passive-cooled design. Powered by Samsung LM301H LED and Deep Red LED 660nm
HLG 550 V2 Rspec
And trying out one of these
PURE LED 480W | Plantasur, distribución al por mayor para grow shops
Seems to be a generic Chinese light but so far so good.
I'd highly recommend looking into lumatek/photontek they just brought out a 1000w monster.