MacBook Air:
Precision aluminum unibody enclosure. Being carved from a single piece of aluminum pays dividends. It makes MacBook Air incredibly light, amazingly thin, extremely durable, and eminently portable. The advantages of a solid-state drive.

With no moving parts, solid-state drives enhance durability and use less power. And now with MacBook Air, this 128GB option is more affordable than ever. Advanced NVIDIA graphics processing. The NVIDIA GeForce 9400M brings amazing, high-speed graphics to MacBook Air, delivering a graphics performance boost up to 6x that of the original model.

Designed with the environment in mind. An EPEAT Gold rating and ENERGY STAR certification confirm that the highly recyclable, highly energy-efficient MacBook Air is innovative in just about everything it does.