Apple 15.4" MGXA2LL/A MacBook Pro Notebook Computer with Retina Display (Refurbished) Renewed products look and work like new. These pre-owned products have been inspected and tested by Amazon-qualified suppliers, which typically perform a full diagnostic test, replacement of any defective parts, and a thorough cleaning process. Packaging and accessories may be generic. All products on Amazon Renewed come with a minimum 90-day supplier-backed warranty. 2.2 GHz Quad-Core Intel Core i7 Processor (Turbo Boost up to 3.4 GHz, 6 MB shared L3 cache) 16 GB 1600 MHz DDR3L RAM; 256 GB PCIe-based Flash Storage 15.4-inch IPS Retina Display, 2880-by-1800 resolution OS X Mavericks, Up to 8 Hours of Battery Life