Apple 21.5" IMAC A1418 2017 w/ Core i5-7360U@ 2.3 GHz 8GB DDR3 251.0 MMQA2LL/A

Apple 21.5" IMAC A1418 2017 w/ Core i5-7360U@ 2.3 GHz 8GB DDR3 RAM 251.0 GB SSD MacOS VENTURA - ( A GRADE ). apple specs The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.