Macs Fan Control - control fans on Apple computers, also on Windows via Boot Camp
2011 imac 27" 32GB - final stage of 1TB + 2TB SSD upgrade (replaced HDD & optic drive). Also cleaned out the fans and case. Running 'SSD Fan Control' & 'Macs Fan
OWC In-line Digital Thermal Sensor for Apple iMac 2011
Diagnosing iMac Fan Speed Issues After Upgrading Hard Drive
Amazon.com: OWC in-Line Digital Thermal Sensor HDD Upgrade Cable for iMac 2011, (OWCDIDIMACHDD11) : Electronics
Apple 27 iMac Teardown, SSD Hack and 2TB Upgrade – gerrysweeney.com
Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'
I upgraded my iMac mid 2011 to a ssd with a custom bracket I 3D printed and the hdd fan is faster than normal. Is there anything I can do to fix
Install SSD iMac 2011 - How-To DIY Guide Tutorial
2011 27" iMac SSD upgrade + fan speed - Whats the current consensus? | MacRumors Forums