The device is in working order. Although devices in this category have been tested and confirmed to be effective, they show signs of heavy or even excessive use by their previous owner. Configurable with a quad-core Intel Core i5 at 1.1 GHz (Turbo Boost up to 3.5 GHz) with 6 MB L3 cache, or with a quad-core Intel Core i7 at 1.2 GHz (Turbo Boost up to 3, 8 GHz) with 8 MB L3 cache macOS is the operating system that powers the heart of every Mac. macOS CATALINA brings you new dedicated apps for music, TV and podcasts. Smart new features in the apps you use most. And Sidecar, which lets you use your iPad as a second screen. Everything you do suddenly takes on a whole new dimension. Accessibility features help people with disabilities take full advantage of their new MacBook Air. With built-in.
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