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It is driving 4 boards all mounted on the same heat sink no fins just like the HGL-550 V2 Meijiu was the company I got it from. Read on several forums that they used top bin Samsung lm301b diodes

I ordered a led from a company that builds HLG-550 V2 clones and it came with a Mean Well HLG-480h-c2800AB driver instead of the HLG-480h-c2100b that I expected. Does anyone know how this will effect the light.