With the optics, the fixture might be alright. I have a 120w led fixture (without optics) that uses some Chinese brand (quote/unquote Bridgelux) 1w leds and it is alright. Keeps stuff alive but not much growth and ok color. Killer light for LPS/softies but for SPS, I could do much better.

If your are into DIY I can highly recommend:
http://www.aquastyleonline.com