OWC - 32GB OWC Memory Upgrade Kit - 4 x 8GB PC10600 DDR3 1333MHz SO-DIMMs for 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac models, 2011 Mac mini

4 x 8GB: (32GB), 1333MHz, DDR3 SO-DIMM, PC3-10600, 204-pin, 1.5V, non-ECC, dual rank, non-parity, memory upgrade kit for iMac laptop and PC Memory Upgrade Module for iMac 21.5 Inch and 27 Inch Mid 2010/2011 Models and Intel/AMD Compatible Laptop PC Compatible with 27-inch iMac Models: Mid 2011 iMac Model ID: Â iMac12.2 & Mid 2010 iMac Model ID: iMac11.3 (Not Compatible with iMac 11.3 i3 2010 Model) Compatible with iMac 21.5 inch 2011 Model ID: Â iMac12.1 Lifetime Limited Warranty with OWC Memory including OWC Lifetime Advanced Replacement Program "