Go to Amazon.com : http://www.amazon.com/gp/product/B00GSDTSLK?tag=theatrecat-20
LB1 High Performance New Acer C710-2834 11.6 Chromebook Super Cooling Fan Cooling System Cooling
Large fan provides more air flow
High thermal heat dissipation prevents overheating
Great ergonomic shape for simple typing
Support low noise Adjustable any Angle
Helps notebook to operate at full speed even while running high performance applications
Lightweight and compact - Perfect for portable user