Pumping an impressive 25 cubic metres of air per second Zalman are confident that the Big Boy Turbo Mega Fan 2 will be able to keep any Intel CPU, up to and including the Pentium 4 670 3.8GHz, running cool in even the warmest conditions. Drawing an impressive 1400Watts of power, Zalman include a full instruction booklet on how to daisy chain 5 300W PSU’s together to power the fan,