This refurbished Grade A iMac Core 2 Duo 2.0 20-Inch Aluminum features a 2.0 GHz Intel Core 2 Duo processor, with two independent processor cores on a single silicon chip, a 3 MB shared level 2 cache, a 1066 MHz system bus, 1 GB of RAM (1066 MHz DDR3 SDRAM), a 160 GB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD+/-R DL SuperDrive, NVIDIA GeForce 9400M graphics with 128 MB of memory shared with the system, a built-in iSight video camera, and built-in stereo speakers underneath the 20" glossy TFT Active Matrix LCD (1680x1050 native) display. Connectivity includes four USB 2.0 ports, a Firewire 800 port, built-in AirPort Extreme WiFi, and Gigabit Ethernet, as well as a Mini DisplayPort, which supports an external display in extended desktop mode. Includes Keyboard and Mouse.