2GB Mac Memory Upgrade DDR3-1333 PC3-10600 SODIMM - 661-5475 661-5528
A-Tech 16GB (2x8GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Crucial 4GB DDR3L-1333 SODIMM Memory for Mac | CT4G3S1339M | Crucial.com
CORSAIR 16GB (2 x 8GB) DDR3 1333 (PC3 10600) Memory for Apple Model CMSA16GX3M2A1333C9 - Walmart.com
2GB DDR3 1333 SODIMM for Apple iMac (Mid 2010,2011, Late 2011), Mac Mi – Aplus Technology
Amazon.com: Timetec 8GB Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac (Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) SODIMM MAC RAM Upgrade : Electronics
Amazon.com: OWC 16GB (2 X 8GB) DDR3 1333MHz 240-pin DIMM ECC Memory Compatible with Mac Pro 2009-2012 'Nehalem' & 'Westmere' Models (OWC1333D3W8M16K) : Everything Else
Crucial 16GB DDR3 1333 Unbuffered Memory for Mac - Newegg.com
16GB 1333 MHz DDR3 Memory for 2011 MacBook Pro and iMac