661-5939 SO-DIMM, 4GB, SDRAM, DDR3-1333- 21.5 - 27 inch iMac A1311, A1312, Mid 2011 NB-2874W
Apple part number: 661-5939, 661-5939 SO-DIMM, 4GB, SDRAM, DDR3-1333- 21.5 - 27 inch iMac A1311, A1312, Mid 2011
Apple part number: 661-5939
661-5939 SO-DIMM, 4GB, SDRAM, DDR3-1333- 21.5 - 27 inch iMac A1311, A1312, Mid 2011