how much do ddr3 memory cost
how much do ddr3 memory cost for imac
From Crucial you can get a 4GB kit for $26, an 8GB kit for $42 or a 16GB kit.
Go to > Crucial Memory upgrades for Apple iMac Late 2011 Desktop
From OWC you can get a 4GB kit for $26, an 8GB kit for $51 or 16, 24 and 32GB kits.
Go to > OWC Memory for Apple iMac 2011– 21.5” and 27” Models