LaptopBroker: "Apple MacBook Air has dimensions of 0.16 to 0.76 x 12.8 x 8.94 inches. It weighs 1.36 kg. Apple MacBook Air is thin enough to fit within an interoffice envelope. It has a 1.8-inch hard drive of 80GB Parallel ATA model with 1.6GHz Intel Core 2 Duo to 1.8GHz Intel Core 2 Duo processor. This processor is custom-built to fit within its compact dimensions. Processor speed is 4200 rpm. It also offers a 64GB solid-state disk (SSD) drive as an option."