The new MacBook Airs will be equipped with the latest Intel Ivy Bridge chips, offering up to Core i7 with Turbo Boost, bringing the processor speed up to 3.2GHz.Hard drive options include upto 512GB SSD and flash, while graphics will be up to 60 percent faster. And USB 3.0 will also be part of the package.
The screen sizes available remain 13 inches with a 1,440×900 resolution and 11 inches with a 1,366×768 resolution, each with two default configurations.

The default 11-inch CPU is now a 1.7GHz Intel Core i5 (Turbo Boost up to 2.6GHz), while the 13-inch default CPU is a 1.8GHz Core i5 (Turbo Boost up to 2.8GHz). The step-up models of each size are configurable with a dual-core 2GHz Core i7 CPU for $150 extra on the 11-inch or $100 for the 13.
The available base SSD sizes (which represent storage hardware attached directly to the motherboard, not a standard removable SSD drive) are 64GB and 128GB on the 11-inch and 128GB and 256GB for the 13-inch version. The 128GB 11-inch Air is configurable with a 256GB ($300) or 512GB ($800) drive, while the 13-inch 256GB model can be bumped up to 512GB ($500).
The default RAM for all Air models is 4GB 1,600MHz DDR3L with 8GB available as a $100 upgrade.
Two USB 3.0/2.0 ports, a headphone jack, SD card slot (13-inch only), and a Thunderbolt port that also acts as a mini-DisplayPort video output.
The Air’s FaceTime camera has also been updated to a 720p HD resolution.

The 11-inch MacBook Air starts at $999, with an upgraded $1,099 version, while the 13-inch starts at $1,199, with a $1,499 upgraded version. All are to be available immediately.