Apple Desktop Computer iMac 27-inch (Retina 5K) 3.1GHZ 6-Core i5 (2019) MRR02LL/A 16 GB 18 TB HDD & 1 TB PCIe SSD 5120 x 2880 Display Mac OS Keyboard and MouseAll-In-One Refurbished Apple iMac (2019)3.1GHZ 6-Core i516 GB DDR4 RAM 18 TB HDD & 1 TB PCIe SSDMac OS27 Retina 5K 5120 x 2880 DisplayRadeon Pro 575X graphics processorIncludes Keyboard and MouseiMac 27-inch (Retina 5K) 3.1GHZ 6-Core i5 (2019). - Apple MRR02LL/A. The iMac Core i5 3.1 27-Inch Aluminum (Retina 5K 2019/Coffee Lake) features a 14-nm Coffee Lake 3.1 GHz Intel Core i5 processor (I5-8600) 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 575X graphics processor with 4 GB of dedicated GDDR5 video memory. It also has a built-in FaceTime HD webcam and stereo speakers.