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 :
Installing additional SSD in Mid-2010 27" iMac
Sold - 21.5" iMac Mid 2010 // $295 - Boulder Mac Repair
apple-history.com / iMac (Mid 2010)
Identify your iMac model - Apple Support
Apple iMac 27-inch (July 2010) review: Apple iMac 27-inch (July 2010) - CNET
iMac 27" 2.93GHz (Mid 2010) | mac of all trades
Apple iMac 3.6Ghz i5 27-Inch (Mid-2010) – MSU Surplus Store
iMac (mid 2010) Core i3 review | Engadget
Apple iMac 27" - Mid 2010 Reviews, Pros and Cons | TechSpot