$13.99
Memory
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4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin CL9 SO-DIMM Memory Upgrade Module for 2011 MacBook Pro(all sizes), Mid 2010/2011 21.5″ & 27″ iMac (except 3.2GHz i3 Model). New, Lifetime Advance Replacement Limited Warranty.