I have a Question: are hynix 2gb 1rx8 pc3-10600s-9-10-b1 ram compatible with a iMac Intel 27" EMC 2639? they came out of my Late 2011 13” MacBook Pro ( I did the ram upgrade) My wifes imac has been very slow since she upgraded to Catiline. Moneies tight I was just wondering…