FOR SALE IS A 2010 A1289 5,1 8 CORE MAC PRO DUAL XEON PROCESSORS COMES WITH 1TB DRIVE AND A ATI RADEON GRAPHICS CARD AND THE POWER CORD AND IT HAS MAC OS SIERRA IF YOU ARE LOOKING AT THIS YOU KNOW HOW VERSATILE AND USABLE AND UPGRADABLE THIS MAC PRO TOWER IS ESPECIALLY WITH THE DUAL PROCESSOR OPTION