Divide them by 4, and get 1200W HP Platinum rated server power supplies dead cheap and happy mine 
. For around 60-80$ including breaker board and cables is no brainer, pico board lets round it to 90$ for a Platinum rated server grade power supply. Forget about evga,seasonic etc.
. For around 60-80$ including breaker board and cables is no brainer, pico board lets round it to 90$ for a Platinum rated server grade power supply. Forget about evga,seasonic etc.