Probably a world record for hashing density.
Extremely low cost and effective deployment method. Behind the SP30s are huge fans.

Credit: Cowboyminer mining cooperative.
I'd hate to be the one that paid that invoice. If he's not getting free electricity it is a tough pill to swallow. UNLESS Mr. Cowboy got such an exceptional price from buying so many. It is kind of cool seeing so many of them together. He must of took out all the marijuana plants and lights and started a bitcoin venture.
