593-0377 922-7686 Mac Pro 2-2.66-3GHz Quad - 3GHz 8-Core A1186 - Optical Drive Data Cable NB-2087W Apple part number: 922-7686, 593-0377, Compatible models: A1186-2006-MA356LL/A, A1186-2006, A1186-2006 593-0377, Compatible Mac info. : 2.66GHz Quad-Core Mac Pro , 3.0GHz Quad-Core Mac Pro , 3.0GHz 8-Core Mac Pro 593-0377, 922-7686 Mac Pro 2-2.66-3GHz Quad - 3GHz 8-Core A1186 - Optical Drive Data Cable 5930377 Apple part number: 922-7686, 593-0377