The device is very clean, never serviced. With an Intel Core i5 processor at 1.4 GHz, 4GB RAM, and SSD storage options of 128GB or 256GB, with Intel HD Graphics 5000, and available with 11.6 or 13.3-inch screens. Basic Technical Specifications Processor: Dual-core Intel Core i5 at 1.4 GHz (Turbo Boost up to 2.7 GHz), with an option to upgrade to Core i7. RAM: 4GB LPDDR3 at 1600 MHz (expandable to 8GB upon request). Internal Storage: PCIe SSD with 128GB or 256GB capacity. Graphics Card: Intel HD Graphics 5000. Screen and Dimensions Screen: Available in two sizes (11.6-inch with 1366 x 768 pixels resolution, or 13.3-inch with 1440 x 900 pixels resolution) LED type. Weight: 1.08 kg for the 11-inch model, and 1.35 kg for the 13-inch model. Additional Features: 720p FaceTime HD camera