661-5538 - Apple - Socket LGA1156 Intel Logic Board Motherboard for iMac 21.5 A1311 Mid 2010 Supports DDR3 4x DIMM 661-5538 - Apple - Socket LGA1156 Intel Logic Board Motherboard for iMac 21.5 A1311 Mid 2010 Supports DDR3 4x DIMM $188.73 $159.94
661-5935 - Apple - Intel Logic Board Motherboard for iMac 21.5 Mid-2011 A1311 Supports Core i5 661-5935 - Apple - Intel Logic Board Motherboard for iMac 21.5 Mid-2011 A1311 Supports Core i5 $219.81 $186.28
661-5949 - Apple - Intel Logic Board Motherboard for iMac 27 Mid-2011 A1312 Supports Core i5 DDR3 4x DIMM 661-5949 - Apple - Intel Logic Board Motherboard for iMac 27 Mid-2011 A1312 Supports Core i5 DDR3 4x DIMM $197.60 $167.46
661-5948 - Apple - Socket LGA1155 Intel Logic Board Motherboard for iMac 27 A1312 mid-2011 Supports Core i5-2400 DDR3 4x DIMM 661-5948 - Apple - Socket LGA1155 Intel Logic Board Motherboard for iMac 27 A1312 mid-2011 Supports Core i5-2400 DDR3 4x DIMM $158.95 $134.70
661-5936 - Apple - Intel Logic Board Motherboard for iMac A1311 2011 Supports Core i5 661-5936 - Apple - Intel Logic Board Motherboard for iMac A1311 2011 Supports Core i5 $251.79 $213.38
661-7503 - Apple - Socket LGA1150 Intel Chipset System Board Motherboard for iMac 21.5 Supports Core i5 DDR3 2x DIMM 661-7503 - Apple - Socket LGA1150 Intel Chipset System Board Motherboard for iMac 21.5 Supports Core i5 DDR3 2x DIMM $168.19 $142.53