Apple iMac 18,3/i7-7XXXK/64GB RAM/1TB SSD/AMD Pro 575+4GB/27-inch 5K
Easy to upgrade2400 MHz DDR4 SDRAM, a 1TB SSD, and either a Radeon Pro 575 graphics processor with 4 GB of VRAM. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.