The Apple iMac 27" 5K Retina 2015 features an Intel Core i5 6th Gen. processor, AMD Radeon R9 M380 GPU, 32GB RAM, and a 1TB SSD. Suitable for various tasks including office work, gaming, and graphic design. It has a sleek silver design with a 27-inch screen, built-in camera, speakers, and Wi-Fi. The operating system is Mac OS 10.15 Catalina, with connectivity options such as VGA, DisplayPort, HDMI, USB, and SD card slot.