Many hundred Hewlett-Packard xw8600 workstations were used , along with a large and powerful render farm of HP ProLiant blade servers . It had over 9,000 server processor cores , to read through the animation . Several hundred Hewlett-Packard xw8600 workstations were used , along with a large and powerful ` render farm ' of HP ProLiant blade servers with over 9,000 server processor cores , to process the animation sequence .