Compatible With:
iMac (27-inch Mid 2011)(May, 2011)Model ID: iMac12,2 (2.7GHz i5, 3.1GHz i5, 3.4GHz i7)
iMac (21.5-inch Mid 2011)(May, 2011)Model ID: iMac12,1 (2.5GHz i5, 2.7GHz i5, 2.8GHz i7)
iMac (27-inch Mid 2010)(July, 2010)Model ID: iMac11,3 (2.8GHz i5, 2.93GHz i5, 3.6GHz i7)
iMac (27-inch Mid 2010)(July, 2010)Model ID: iMac11,3 (2.8GHz, 2.93GHz, 3.2GHz, 3.6GHz)
iMac (21.5-inch Mid 2010)(July, 2010)Model ID: iMac11,2 (3.6GHz i5)
iMac (21.5-inch Mid 2010)(July, 2010)Model ID: iMac11,2 (3.06GHz, 3.2GHz, 3.6GHz)
iMac (27-inch Late 2009)(October, 2009)Model ID: iMac11,1 (2.66GHz i5, 2.8GHz i7)
iMac (27-inch Late 2009)(October, 2009)Model ID: iMac10,1; iMac11,1 (2.66GHz, 2.8GHz, 3.06GHz, 3.33GHz)
iMac (21.5-inch Late 2009)(October, 2009)Model ID: iMac10,1 (3.06GHz, 3.33GHz)
iMac (24-inch Early 2009)(March, 2009)Model ID: iMac9,1 (2.66GHz, 2.93GHz, 3.06GHz)
iMac (20-inch Early 2009)(March, 2009)Model ID: iMac9,1 (2.66GHz)