The iMac's processor has been upgraded and now houses a 7th-gen Kaby Lake 2.3 GHz Intel Core i5 Dual-Core processor that can be overclocked up to 3.6 GHz, as well as 8GB of 2133 MHz DDR4 RAM. Visuals are powered by the integrated Intel Iris Plus Graphics 640 chipset, and for storage, there is a 1TB 5400 rpm hard drive.
Outfitted with 802.11ac Wi-Fi and backwards compatible with 802.11a/b/g/n for speedy hook-ups to your home network, this iMac is also configured with Bluetooth 4.2, as well as a UHS-II SDXC card slot, two 40 Gb/s Thunderbolt 3 ports, four 5 Gb/s USB 3.0 Type-A ports, a Gigabit Ethernet jack, and a FaceTime HD camera. It also has a Kensington lock slot for added security.
Apple's 21.5" iMac (Mid 2017) operates using 100-240 VAC at 50-60 Hz and includes an Apple Magic Keyboard, an Apple Magic Mouse 2, a Lightning to USB cable, and a power cord. The installed operating system is macOS Sierra, and protection is provided by a limited 1-year warranty, which can be extended using AppleCare.