New in August 2015 In storage most of the time since 2018 27" Retina display - superb colour-accuracy. Second and Third display capable. Running current Mac OS Big Sur 1TB Hybrid Fusion Hard Drive SSD Combo 3.5 GHZ (3.9 TurboBoost) 12GB System Memory (RAM) - upgradeable to 32 GB AMD Radeon R9 M290x GPu SD slot, USB 3, Thunderbolt, Bluetooth, Digital Audio In/Out, Gigabit Ethernet, Apple Extreme WiFi. Immaculate condition with mouse, keyboard, and box. Delivery could be possible. Thanks!