128GB PCIe-based flash storage. Fresh install of Mac OS Big Sur which is nice, fast and a modern OS to use. Supported resolutions: 1440 by 900 (native), 1280 by 800, 1152 by 720, and 1024 by 640 pixels at 16:10 aspect ratio and 1024 by 768 and 800 by 600 pixels at 4:3 aspect ratio.
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