First Cray Supercomputer Shipped

Cray-1March 4, 1977

The first Cray-1 supercomputer is shipped to the Los Alamos National Laboratory in New Mexico. This supercomputer, which costs nineteen million dollars, will be used to design sophisticated weapons systems. The system is a cylindrical tower seven feet tall, nine feet in diameter, and weighs about 5.5 tons. The machine produced so much heat that it required a built-in freon-based refrigeration system. It requires its own electrical substation to power it, at a cost of about US$35,000 a month.