iMac Intel 27". EMC 2309 (Late 2009, Core 2 Duo 3.06 or 3.33 GHz), EMC 2374 (Late 2009, Core i5 2.66 GHz or Core i7 2.8 GHz)

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Can my iMac handle 4TB?

I have a late 2009 27inch i7 IMAC with 1 TB. I want to upgrade my IMAC to a 4TB and 32GB RAM. Can my Imac handle it? And if yes. Do you have any recommendation for a 4TB drive? I am considering a WD 4TB drive. But I don't know which color to choose. Any recommendations?

Thanks you!

Answered! View the answer I have this problem too

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Here's a good write up on what the differences are within the Western Digital family of drives: Understanding the WD Rainbow.

Be aware your system has a SATA II (3.0 Gb/s) interface. You'll need to make sure the drive you do get is compatible. A SATA III (6.0 Gb/s) drive which does not offer a means to run at SATA II speed will not work reliably here.

Make sure your systems firmware is up to date. Follow this Apple T/N: About EFI and SMC firmware updates for Intel-based Mac computers. You need to be at this level or newer.

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Thank you Dan!

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I was successful in upgrading to a 4 TB Western Digital Black. Yes, it will work. Heads up though! Your fans may rev up at the maximum RPM after your upgrade, you will need a programs such as SSD fan control to regain fan sanity.

This one's my personal favorite.

http://exirion.net/ssdfanctrl/

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@alinorne - Is that a temperature sensor issue? Did they make different sensors for the different hard drive brands?

http://www.welovemacs.com/mb952lla.html

Will Apple part number 922-9225 fix this issue if I use a Western Digital hard drive?

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@alinorne - Kevin, Did you forgot the thermal sensor? We don't like fan over-ride software as we have learned (the hard way I might add) it shortens the life of the system and is not dynamic enough to be useful. Best to put in the correct hardware sensor for the drive/system.

Some of the newer Seagate & WD drives don't offer the needed internal sensor hookup so I go with this now: OWC In-line Digital Thermal Sensor for iMac 2009-2010 Hard Drive Upgrade which places an external sensor on the drive instead of using the internal sensor within the drive.

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Aside from the fan, any other problem with you computer? And is your computer same as mine? A late 2007, i7, 27 inch imac?

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@yisiling - what are you smoking? It's a 2009 machine. There's no fan problem yet. If you are having an issue, please post a new question. As to the comments on Kevins answer, he's new and we are attempting to help him become a better answer provider and think before he puts his foot in his mouth (which he has been doing).

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@mayer Hi, I don't know much about computers, and since Kevin mentioned that he had a fan problem, so I asked more about it and his experience with the imac. I don't think I was breaking the rules since it's just a follow up of my questions.

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