6GB Memory Upgrade for 2009 MacBook and Early 2008 iMac
Amazon.co.jp: Other World Computing OWC Memory Upgrade Kit Pc3 – 10600 MHZ SO-DIMM for iMac Mid 2010 Mid 2011 Macbook Pro 2011 Mac Mini 2011 Other : Computers
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
OWC Internal SSD DIY Kit for All Apple 21.5-inch iMac 2011 Models (no – RamCity.com.au
OWC 16GB (2 X 8GB) DDR3 1333MHz 240-pin DIMM ECC Memory Compatible with Mac Pro 2009-2012 'Nehalem' & 'Westmere' Models (OWC1333D3W8M16K) at Amazon.com
8.0GB(2x4GB) OWC Memory Upgrade For 27" iMac with Retina 5K Display (2017) - ynzal.com
OWC Announces Industry's First 16GB RAM Upgrade For Latest Apple MacBook Pro Models