Apple Memory Module 8GB 1333MHz DDR3 (PC3-10600) - 2x4GB at Amazon.com
CORSAIR ValueSelect 16GB (2PK x 8GB) 1333MHz DDR3 C9 So-DIMM Laptop Memory Multi CMSO16GX3M2A1333C9 - Best Buy
A-Tech 8GB 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 Module at Amazon.com
8GB 2X 4GB Memory for Apple iMac 21.5 inch 3.20GHz Intel Core i3 DDR3 PC3-10600 204 pin 1333MHz SODIMM RAM (Parts-Quick Brand) at Amazon.com
Amazon.com: Timetec 16GB KIT(2x8GB) 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) MAC RAM Upgrade :
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 at Amazon.com
Amazon.com: 8GB PC10600 DDR3 1333MHz SO-DIMM Memory Compatible with 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac Mini (OWC1333DDR3S8GB) : Everything Else
Kingston Technology 8GB Kit (2x4 GB Modules) 1333MHz DDR3 SODIMM Notebook Memory for Select Apple iMac's and Macbook Pro's KTA-MB1333K2/8G at Amazon.com
Sheli 2x 8gb Pc3-12800 Ddr3 Sodimm Memory Ram For Apple Macbook Pro Imac Mac Mini - Rams - AliExpress
Corsair Mac Memory — 8GB DDR3 SODIMM Memory Kit
OWC Mac Memory 8GB 1333Mhz DDR3 SODIMM Mac Memory - Syntech
Corsair CMSA8GX3M2A1333C9 Mac Memory, 8GB (2x4GB) DDR3 1333MHz SODIMM
Crucial 8GB DDR3 PC3-10600 1333MHz RAM SODIMM Fr APPLE MacBook Pro iMac Mac mini 816076990158 | eBay
How to install memory for your iMac DDR3 1333MHz - YouTube
A-Tech 8GB 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 Module at Amazon.com