IMac 20 inch, OS X EL Capitan, Version 10.11.6 2.66 GHz Intel Core Duo 8 GB memory. Built-in optical disk drive 320Gb HDD storage (wiped of all old user data). Ports:- 4 USB
1 Firewire (800) 1 Ethernet AirPort Extreme 802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) Mic and headphone ports Built in camera and microphone. Apple keyboard and mouse Runs well with no problems.(I upgraded computer system) Comes with Brother MFC 260C Manual and spare ink cartridges.(Upgraded printer as well) Copies, Scans and Faxes in colour or Black and White.