27" Apple iMac, Mid 2015, macOS Monterery Resolution: 5K (5120 x 2880) Retina Display Processor: 3.20 GHz Intel core i5 6500 quad-core Video Card: AMD Radeon Pro M380 graphics processor with 2 GB of dedicated GDDR5 memory Memory: 16 GB DDR4 (upgradable to 64GB) Storage: 1 TB HDD Audio: Stereo speakers Dual microphones Headphone port Headphone/optical digital audio output (minijack) Support for Apple iPhone headset with microphone Connections and Expansion: SDXC card slot Four USB 3 ports Two Thunderbolt ports Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately) 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) Wireless: Wi-Fi 802.11ac Wi-Fi wireless networking; 2 IEEE 802.11a/b/g compatible Bluetooth Bluetooth 4.2 wireless technology