Apple Desktop Computer iMac 27-inch (Retina 5K) 3.7GHZ 6-Core i5 (2019) MRR121LL/A 64 GB 6 TB HDD 5120 x 2880 Display Dual Boot Mac OS/Windows 10 Pro Keyboard and MouseAll-In-One Refurbished Apple iMac (2019)3.7GHZ 6-Core i564 GB DDR4 RAM 6 TB HDDDual Boot Mac OS/Windows 10 Pro27 Retina 5K 5120 x 2880 DisplayRadeon Pro 580X graphics processorIncludes Keyboard and MouseUse Windows side by side with macOS (no restarting required) on your iMac. Share files and folders copy and paste images and text and drag and drop files between Mac and Windows applications. See Parallels.com for more information.iMac 27-inch (Retina 5K) 3.7GHZ 6-Core i5 (2019). - Apple MRR12LL/A. The iMac Core i5 3.7 27-Inch Aluminum (Retina 5K 2019/Coffee Lake) features a 9th Generation 14-nm Coffee Lake 3.7 GHz Intel Core i5 processor (I5-9600K) with six independent processor cores on a single chip a shared 9 MB level 3 cache customize your hard drive and memory and a Radeon Pro 580X graphics processor with 8 GB of dedicated GDDR5 video memory. It also has a built-in FaceTime HD webcam and stereo speakers.