Upgrading a 27-inch iMac 5K to 14 terabytes - Replacing the Fusion Drive with both a SSD and an harddisk
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 2011 27" Apple stock SSD swap | MacRumors Forums
OWC In-Line Digital Thermal Sensor HDD Upgrade Cable for iMac 2011