661-4443 SO-DIMM, 667, 512 MB, DDR2, SDRAM - Mac Mini A1176 1.8GHz 2GHz Mid 2007 NB-1973W
This is a 512MB DDR2 PC5300 Ram for various Mac computers.
Apple part number: 661-4443
Compatible models: A1176-Mid 2007-MB138LL/A, A1176-Mid 2007-MB139LL/A, ,
Compatible Mac info. : 1.83GHz Intel Core 2 Duo Mac Mini , 2.0GHz Intel Core 2 Duo Mac Mini
661-4443 SO-DIMM, 667, 512 MB, DDR2, SDRAM - Mac Mini A1176 1.8GHz 2GHz Mid 2007