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iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: prof
Date: September 03, 2020 08:51PM
I have a mid 2011 iMac 27" i7 3.4 ghz that I want to replace the 2 TB standard HD
with a 1 TB SSD. It also has a second 256 SSD installed under the DVD which I'm leaving alone. Does swapping the 2TB HD out for the 1TB SSD require a sensor?? There doesn't appear to be one on the the 2 TB HD or the 256 SSD that's under the DVD. I thought the sensors weren't implemented until 2012 models?? I haven't been able to find a definitive answer online. If anyone knows for certain I would greatly appreciate it.

TIA,
prof
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: btfc
Date: September 03, 2020 09:05PM
Ifixit says yes.

[www.ifixit.com]

[www.ifixit.com]
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: Speedy
Date: September 03, 2020 09:34PM
Watch the OWC video. I had the exact same machine and I did the SSD upgrade and I don’t remember any sensor but that was years ago so my memory is unreliable.



Saint Cloud, Minnesota, where the weather is wonderful even when it isn't.
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: pdq
Date: September 03, 2020 11:14PM
Yeah, my FILs 2010 iMac had a temperature sensor on the spinning drive.
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: jdc
Date: September 03, 2020 11:27PM
Quote
Speedy
Watch the OWC video. I had the exact same machine and I did the SSD upgrade and I don’t remember any sensor but that was years ago so my memory is unreliable.

100%, they are the best. [eshop.macsales.com]

And my 2010 had one as well.



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: Robert M
Date: September 04, 2020 08:46AM
prof,

I've found working inside iMacs a pain in the butt. If it was me, I'd opt for an external SSD and call it done. That way, use it with the 2011 iMac. If you replace the machine, move the external drive to the new machine. Make it a boot drive. Done. Lots of threads about using external SSDs as boot drives in the forum. They're worth a read before you crack the case of the iMac.

Robert
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: Lew Zealand
Date: September 04, 2020 11:50AM
I agree with Robert except that the 2011 is USB2 and the top end of the external SSD's speed boost will be chopped off by the 40 MB/sec USB2 speed limit. The bottom end of the SSD's speed boost (where SSD's biggest improvements over HDDs are realized) are all still there even at USB2, so there is still a significant improvement. Just setting expectations.

If you do go internal, just get OWC's sensor if they recommend it. I had a tech friend do a 2010 iMac with OWC sensor for me and it went perfectly. Because I didn't have to open it up!
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: Schpark
Date: September 04, 2020 11:53AM
I have opened both a 2010 and 2011 iMac and it is not too bad, especially compared to the newer ones with glued on screens.



"Without death, life would lose much of its meaning. My goal is to live in such a manner that I alter world in some fundamental way before I'm gone. As I get older and watch my son grow I realize I've already achieved my goal." - Ztirffritz
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: mrbigstuff
Date: September 04, 2020 12:04PM
Get a second set of hands when loosening or tightening the screen screws. Otherwise, not bad. I did use the sensor bc I had one from previously swapping the drive
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: Speedy
Date: September 04, 2020 02:27PM
Screen screws?



Saint Cloud, Minnesota, where the weather is wonderful even when it isn't.
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Re: iMac mid 2011 27" i7 3.4ghz SSD install
Posted by: jdc
Date: September 04, 2020 03:07PM
Quote
Schpark
I have opened both a 2010 and 2011 iMac and it is not too bad, especially compared to the newer ones with glued on screens.

100% agree.



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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