This hack fix bypasses the hdd temperature sensor in order to fool imac into thinking that hard drive is working at normal temperature.
Imac 2011 ssd temperature sensor.
One more option exists for owners of 2011 models who aren t concerned with having the fan ramp up with drive temperature.
The only imac hdd upgrade option on the market certified to pass the apple hardware test.
The imac fans will run at full speed if you replace the hdd without the temperature sensor and or proper connector.
I just installed a 480gb sandisk ssd plus in a mid 2011 imac with no external thermal sensor on the old drive.
The ssd connects to a separate sata connector on the motherboard thus leaving the hdd data and power connectors unpopulated.
Owc 1tb ssd upgrade bundle for 2011 imacs owc mercury electra 1 0tb 6g ssd adaptadrive 2 5 to 3 5 drive converter bracket in line digital thermal sensor cable installation tools owckitim11he1tb.
Owc in line digital thermal sensor for imac 2011 hard drive upgrade required for any drive installed into the main drive bay.
As a build to order option one could order an imac with only an ssd and no mechanical hard drive.
Only 3 left in stock order soon.
Owc ssd upgrade kit for 2011 21 5 inch imacs owc mercury electra 120gb 6g ssd 18 sata iii 6gbps data cable installation tools and imac screen adhesive tape set.
Hard drive temperature sensor cable for imac 27 a1419 a1312 593 1029 a.
No fan noise at all so far.
The imac hard drive has an integrated temperature sensor.