Apple iMac ME087LL/A 21.5-Inch Desktop ( VERSION) (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. 2.9 GHz Quad-Core Intel Core i5 Processor (Turbo Boost up to 3.6 GHz) with 6MB L3 cache 1 TB (5400-rpm) Hard Drive, 8 GB (Two 4 GB) of 1600MHz DDR3 Memory 21.5-inch (Diagonal) LED-backlit Display with IPS Technology; 1920-by-1080 Resolution NVIDIA GeForce GT 750M Graphics Processor with 1 GB of GDDR5 Memory