Apple Desktop Computer iMac 27-inch (Retina 5K) 3.7GHZ 6-Core i5 (2019) MRR121LL/A 96 GB 6 TB HDD & 2 TB PCIe SSD 5120 x 2880 Display Mac OS Keyboard and MouseAll-In-One Refurbished Apple iMac (2019)3.7GHZ 6-Core i596 GB DDR4 RAM 6 TB HDD & 2 TB PCIe SSDMac OS27 Retina 5K 5120 x 2880 DisplayRadeon Pro 580X graphics processorIncludes Keyboard and MouseiMac 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.