Komputerbay MACMEMORY 32GB (4X 8GB) PC3-10600 10666 1333MHz SODIMM 204-Pin Laptop Memory 9-9-9-24 for Apple Mac

Compatible to:
iMac 2.5GHz Intel Quad-Core i5 (21.5" DDR3) Mid 2011
iMac 2.7GHz Intel Quad-Core i5 (21.5" DDR3) Mid 2011
iMac 2.7GHz Intel Quad-Core i5 (27" DDR3) Mid 2011
iMac 2.8GHz Intel-Quad Core i7 (27" DDR3) Mid 2011
iMac 2.8GHz Intel Quad-Core i7 (21.5" DDR3) Mid 2011
iMac 2.93GHz Intel Quad-Core i7 27" DDR3 mid 2010
iMac 3.1GHz Intel Quad-Core i5 (27" DDR3) Mid 2011
iMac 3.2GHz Intel Core i3, 27" DDR3 mid 2010
iMac 3.4GHz Quad-Core Intel-Core i7 (27" DDR3) mid 2011
iMac 3.6GHz Intel Core i5, 27" DDR3 mid 2010