Other internal upgrades include support for 802.11ac Wi-Fi and faster flash memory. The new notebooks have the same external appearance, with only internal upgrades.
In order to take advantage of the faster Wi-Fi capabilities, Apple also released redesigned versions of its wireless Airport routers, since previous models only support up to 802.11n. Apple is also now including more flash storage at entry-level price points, adding more value.
The MacBook Air is positioned as Apple's entry-level consumer notebook, with the 11-inch model starting at $999 and the 13-inch model starting at $1099.
According to the company, the new MacBook Air "features power-efficient fourth generation Intel Core i5 and Core i7 processors that give the 13-inch MacBook Air up to 12 hours of battery life and up to 10 hours of iTunes movie playback. The 11-inch MacBook Air delivers up to 9 hours of battery life and up to 8 hours of iTunes movie playback."
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