iMac (27-inch, Late 2013) - macOS Catalina (version 10.15.7) - Processor :: 3.4 GHz Quad-Core Intel Core i5 - Memory : 16 GB (8GB x 2) 1600 MHz DDR3 ( 2 / 4 slots ) - Graphics: NVIDIA GeForce GTX 780M 4G - Storage : 1.12 TB - Condition : Excellent