iMac 27 inch 3.4GHz Quad-Core Intel Core i5 1TB Late 2013 ME089LL/A Grade (A)

iMac (27-inch, Late 2013) - Technical Specifications Display 27-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1440 resolution with support for millions of colors Processor 3.4GHz 3.4GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.8GHz) with 6MB L3 cache Configurable to 3.5GHz quad-core Intel Core i7 (Turbo Boost up to 3.9GHz). Memory 8GB (two 4GB) of 1600MHz DDR3 memory; four user-accessible SO-DIMM slots Configurable to 16GB or 32GB. Storage1 1TB (7200-rpm) hard drive Configurable to 3TB hard drive, 1TB or 3TB Fusion Drive, or 256GB, 512GB, or 1TB of flash storage. Graphics 3.4GHz NVIDIA GeForce GTX 775M graphics processor with 2GB of GDDR5 memory Configurable to NVIDIA GeForce GTX 780M with 4GB of GDDR5 memory. Video Support and Camera FaceTime HD camera Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display S