Storage: With 128GB of internal storage with the 4GB option, 256GB with the 8GB option. MacBook: Get a refurbished 2015 13" MacBook Air - choose 4GB or 8GB of RAM! Processor: With a 1.6GHz dual-core Intel Core i5 processor with 3MB shared L3 cache. Battery: Built-in 54‑watt‑hour lithium‑polymer battery for up to 12 hours of web surfing. Features: Plus a 720p HD camera, two USB 3 ports, stereo speakers, Bluetooth and more. Display: With a 13.3-inch LED-backlit widescreen display with support for millions of colours. 2015 Macbook Air 13 | 4GB | Living Social