This listing is for a used OWC 16GB Memory Upgrade Kit and 4GB of Elpida Brand Memory.

The OWC memory consists of 2 x 8GB PC10600 DDR3 1333MHz SO-DIMMs.  The Elpida memory consists of 2 X 2GB PC3-10600S DDR3 1333MHz SO-DIMMs. 

This memory is for the 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac models, and the 2011 Mac mini.

This memory was removed from MacBook Pro Computers that were being decommissioned and placed in these memory module packaging. 

This memory was working at the time of removal.

Please look at the photos.  This is the item you will be receiving.