1TB = 1 trillion bytes actual formatted capacity less. Intel-based models are available with up to 32GB memory and up to 4TB storage.Battery life varies by use and configuration. The Apple TV app movie playback test measures battery life by playing back HD 1080p content with display brightness set to 8 clicks from bottom. Testing conducted by Apple in October 2020 using pre-production MacBook Air systems with Apple M1 chip and 8-core GPU, configured with 8GB of RAM and 512GB SSD.1TB = 1 trillion bytes actual formatted capacity less.Only one Promotion Product per eligible Mac or eligible iPad per Qualified Purchaser.