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Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2

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What is the typical fans speed & max CPU temp.

I want to upgrade my HD on iMac 27" mid 2010 to a western Digital Black 4G.

Which will mean I will need a software fan control for my Mac.

It would be really nice to know the thresholds for fan speeds and max tentative so I can set up my fans and temps on the side of caution.

Many thanks in advance.

Update (10/06/2015)

Hi Dan thank you so much for you reply.

In responce to your question my drive is:

I was not aware there is a hardware solution for fan control for this hard drive and my 27inch imac mid 2010?

Awesome and Thanks in Advances - Kindly Simon

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Can you give us the exact drive you are planning on putting in. Depending on what your system currently has you maybe OK, or at worse just need a different temp sensor cable that works with the drive you are planning on using.

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I don't recommend fan control software when a hardware solution is available.

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Dear Dan

You are truly awesome. Thank you so much for taking the time to help me. Greatly appreciated. I shall order my parts now once and again Thank you !

Kindly Simon

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Let us know how it all turns out - Enjoy!

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1 Answer

Chosen Solution

Here's the needed adapter cable: OWC In-line Digital Thermal Sensor for iMac 2011 Hard Drive Upgrade.

Follow this IFIXIT guide: iMac Intel 27" EMC 2429 Hard Drive Replacement

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Dan thank you so much really greatly appreciated. I shall order the part now. Thank you for taking the time to share your expertise.

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No problem! Happy to help.

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Simon Newbound will be eternally grateful.
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