[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. Intel Iris Pro Graphics 2.7 GHz Quad-Core Intel Core i5 Processor (Turbo Boost up to 3.2 GHz) with 6MB L3 cache Mac OS X Yosemite 21.5-inch (Diagonal) LED-backlit Display with IPS Technology; 1920-by-1080 Resolution]