iMac Intel 27" (Mid 2011) Dual Hard Drive Kit - iFixit Store
OWC Internal SSD DIY Kit For All Apple 21.5" iMac 2011 Models w/ Tools : Electronics
Amazon.com: OWC SSD Upgrade Kit for 2011 21.5-inch iMacs, OWC Mercury Electra 250GB 6G SSD, 18" SATA III 6Gbps Data Cable, Installation Tools and iMac Screen Adhesive Tape Set : Electronics
How To Upgrade/Replace Mid-2011 iMac 21.5" Hard Drive To an SSD! - YouTube
OWC Hard Drive Upgrade Kit for Apple iMac 2011
OWC In-Line Digital Thermal Sensor HDD Upgrade Cable for iMac 2011
iMac 2009, iMac 2010 and iMac 2011 - Apple Broadcom BCM94360CD - 802.11 a/b/g/n/ac with Bluetooth 4.0 Upgrade Kit | www.osxwifi.com | Native Support for Apple Broadcom BCM94360CD and BCM943602CDP for PC
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models