The Apple iMac All-in-One Desktop in Silver is a sleek and stylish computer that combines all the necessary components into one compact design. With built-in speakers, a camera, and Wi-Fi adapter, this desktop offers convenience and ease of use. Running on the macOS operating system, it provides a smooth and efficient user experience. The USB and Ethernet connectivity ensure fast and reliable access to external devices and the internet, making this iMac an ideal choice for both work and entertainment purposes. IMAC is working perfectly. Only issue is screen has some lines on display but its clear picture. IMAC retina 4k, 21.5-inch, 2017. 3.4 GHZ Quad-Core Intel Core I5, Graphics Radeon Pro 560 4gb, Memory 8GB 2400 MHZ DDR 4.