Restored Apple iMac 21.5" All-in-One Computers, Intel Core i5, 8GB RAM, 500GB HD, Mac OS X 10.6, Silver, MF883LL/A (Refurbished) - Walmart.com
Amazon | 【国内正規品】OWC DIY Kit for all Apple 21.5" iMac 2011 Models for installing an internal SSD. Without tools. (対応機種:iMac 21.5インチ 2011) | OWC | PCパーツ 通販
Apple iMac 21.5" - Early 2010 Reviews, Pros and Cons | TechSpot
iMac (27-inch, Mid 2010) minnade-ganbaro.jp
A-Tech 16GB (4x4GB) RAM for Apple iMac (Mid 2010, Mid 2011, Late 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com