An alternative layout, for larger setups. The heatsinks used for this style are 1m long (by 10cm wide). Each light has a fan on the back.
Read about the standard (non-extended) product here (opens new window)
Customers buying a 600W setup receive two of these, typically. (R13500 total).
The 600W setup has the same number of the same LEDs as the HLG-550 V2 (a popular 480W fixture), but goes up to 600W (640W max), instead of only 480W.
Two QB-320s (600W) is cheaper, and (more than) equivalent to the HLG-550 V2. But we rate our's a better product, with wider spread, more heatsink, kept cool to the touch with super high quality, silent Maglev fans.