16GB 4x 4GB DDR3 PC3-10600 1333 Memory For Apple iMac 21.5 and 27-inch, Mid 2011 | eBay
4 GB RAM DDR3 1333 PC3 -10600S apple imac laptop macbook 4GB (2 x 2GB) Samsung | eBay
16GB 1333 MHz DDR3 Memory for 2011 MacBook Pro and iMac
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4x 2GB 8GB DDR3 RAM 1333 Mhz SAMSUNG Apple MacBook Pro iMac Laptop | eBay
1333 Mhz Ddr3 Imac for sale | eBay
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Timetec Hynix IC 8GB Compatible for Apple DDR3 1333MHz PC3-10600 SODIMM Memory for Early/Late 2011 13/15/17 inch MacBook Pro, Mid 2010 and Mid/Late 2011 21.5/27 inch iMac, Mid 2011 Mac Mini (8GB) - Walmart.com