CMS 16GB (4X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I3 3.06 21.5-Inch (Mid-2010) - A28 at Amazon.com
Apple iMac 27-inch, Mid 2010 Memory 4 GB. Not Used Since 2015 | eBay
iMac (mid 2010) Core i3 review | Engadget
iMac 27-inch Mid 2010 – Full Tech Specs, Release Date, and Price
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Apple iMac Mid 2010 27" A1312 (Intel Core i7 2.93GHz 2TB HDD 12GB RAM) for sale online | eBay
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube
Genuine New 8X DVD-RW DL Writer SuperDrive for Apple iMac 27-Inch Mid-2010 MC784LL/A A1312 Computer Desktop PC Internal Super Multi DVD-RAM 24X CD-R Burner Optical Drive Replacement
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
How to Upgrade Memory in a 21.5-inch or 27-inch iMac (Mid 2010) - YouTube