iMac Intel 21.5" and 27" (Mid 2011) SSD Upgrade Bundle - iFixit Store
OWC SSD Upgrade Kits for 27-Inch iMac 2011
OWC Internal SSD DIY Kit for Apple iMac 21.5" OWCDIDIM21SSD11
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
iMac Intel 27" (Mid 2011) Dual Hard Drive Kit - iFixit Store