Apple MacBook Air Core i7 1.8GHz 11"-4GB RAM-128GB SSD-Lion-(2011) Apple MacBook Air Core i7-2677M Dual-Core 1.8GHz 4GB 256GB SSD 11.6" LED NotebookOS X w/Cam(2011)-Refurbished 90 days warranty for refurbished products - 1 year for new products Fast shipping