iMac (27 inch, Late 2009) 3.06 Ghz Intel Core 2 Duo Memory: 8 Gb 1037 MHz DDR3, 1 Tb hard drive Graphics; ATI Radeon HD 4860 512 Mb Built-in disk drive. Wireless mouse, USB extended numeric keyboard Mac OS High Sierra. System reset to factory defaults and ready to go. Great condition, only selling after upgrading to a newer model.