Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
27” Mid 2010 iMac Disassembled
iMac DVD Super Drive Replacement 2009 2010 2011 21 5" Apple Dollars #8 - YouTube
Today picked up a $20 2011 iMac 27” with working gpu too! : r/mac
Apple iMac 27inch,mid 2011 アップグレード(SSD,DVDドライブ,Wifiカード,電源ユニット) | パソコン修理・データ復旧 PC Fixs
Amazon.com: HIGHFINE 2nd 2.5'' SATA HDD SSD Hard Drive Disk DVD CD ROM Optical SuperDrive Caddy Tray Adapter for Apple Unibody MacBook/MacBook Pro 13 15 17 Early mid Late 2008 2009 2010 2011 2012.etc : Electronics