Apple - 661-7160 - Motherboard 27" iMac LGA1155 661-7160 - Apple - iMac AIO 27 Motherboard S1155 $296.04 $250.88
Apple - 661-5577 - Motherboard 27" iMac Intel S1156 661-5577 - Apple - iMac 27 AIO Intel Motherboard S1156 $356.83 $302.40
Apple - 661-5950 - Motherboard Socket 1155 27" iMac Mid-2011 661-5950 - Apple - Socket 115X Intel Logic Board Motherboard for iMac 27 A1312 Mid-2011 Supports Core i7 $142.73 $120.96
Apple - 661-5530 - Motherboard LGA1156 27" iMac Core i3 661-5530 - Apple - Socket LGA1156 System Board Motherboard for iMac 27 Supports Core i3 $309.57 $262.35
Apple - 661-4111 - Motherboard 2.33GHz iMac 20" 661-4111 - Apple - 2.33GHz CPU Logic Board Motherboard for iMac 20 $1,507.75 $1,277.75