Apple iMac 21.5 inch 2015 OS Monterey This item is still usable. No operational problems. I'm thinking of switching to Windows. I was using it with three monitors, and it ran smoothly. ■Product Description - Model: iMac - Color: Silver - Display Size: 【21.5 inch】2015 - OS: macOS 【Monterey】 (21.5-inch, Late 2015) Processor: 1.6 GHz dual-core Intel Core i5 Memory: 8GB 1867MHz DDR3 Graphics: Intel HD Graphics 6000 1536 MB The item in the images will be sent. Please examine the images carefully and make your own judgment. * Due to being a used/junk item, there may be damage not shown in the images or described in the text.