iMac HD compatibility

jdominy · jdominy #1 (**permalink**)

05-02-2012, 04:31 PM

I purchased this HD, thinking it was compatible with the early 2008 iMac, but opening it up, it seems very small and thin, maybe too small. I'm wondering if it is the right one. It's this one- Amazon.com: Seagate Momentus 320 GB SATA 7200 RPM 2.5-Inch Internal Hard Drive ST903203N3A1AS-RK: Electronics

Is this compatible?

mrplow · mrplow #2 (**permalink**)

05-02-2012, 05:12 PM

If you're talking about replacing the disc inside your iMac then it should be a 3.5" disk

A 2.5" sata disk has the same data and power connections but it won't fit correctly. You also need to consider the temperature sensor.

I'd recommend looking up your iMac on the ifixit site

jdominy · jdominy #3 (**permalink**)

05-02-2012, 05:13 PM

Yes, the HD inside my iMac. I did pick up the 2.5". So, I need the 3.5" disk, I'm gathering? Dangit.

harryb2448 · harryb2448 #4 (**permalink**)

05-02-2012, 05:21 PM

Yep 3.5" desktop hard drive for your iMac. Now you have the laptop drive pop it in an external case and use for backups. USB will be fine however the case needs to be able to take SATA drives.

mrplow · mrplow #5 (**permalink**)

05-02-2012, 05:23 PM

iMac Intel 20" EMC 2133 and 2210 Hard Drive Replacement - iFixit

jdominy · jdominy #6 (**permalink**)

05-02-2012, 05:28 PM

Thanks all! I really appreciate it!

mrplow #2 (permalink)
Member Since: Oct 01, 2007 Location: UK Posts: 5,381 Mac Specs: 27" iMac i7 (2011), iPhone5, iPad3, AppleTV2	05-02-2012, 05:12 PM If you're talking about replacing the disc inside your iMac then it should be a 3.5" disk A 2.5" sata disk has the same data and power connections but it won't fit correctly. You also need to consider the temperature sensor. I'd recommend looking up your iMac on the ifixit site External hard disk acquisition addict - but admitting the problem is the first step to a robust backup Please use the reputation system if you think you've been helped - top right of this post
	QUOTE Thanks

harryb2448 #4 (permalink)
Member Since: Nov 28, 2007 Location: Nambucca Heads Australia Posts: 14,074 Mac Specs: iMac i5 2.7GHz OS X.8.3	05-02-2012, 05:21 PM Yep 3.5" desktop hard drive for your iMac. Now you have the laptop drive pop it in an external case and use for backups. USB will be fine however the case needs to be able to take SATA drives. *Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!*
	QUOTE Thanks

mrplow #5 (permalink)
Member Since: Oct 01, 2007 Location: UK Posts: 5,381 Mac Specs: 27" iMac i7 (2011), iPhone5, iPad3, AppleTV2	05-02-2012, 05:23 PM iMac Intel 20" EMC 2133 and 2210 Hard Drive Replacement - iFixit External hard disk acquisition addict - but admitting the problem is the first step to a robust backup Please use the reputation system if you think you've been helped - top right of this post
	QUOTE Thanks

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jdominy #1 (permalink)
Member Since: May 02, 2012 Posts: 3	05-02-2012, 04:31 PM I purchased this HD, thinking it was compatible with the early 2008 iMac, but opening it up, it seems very small and thin, maybe too small. I'm wondering if it is the right one. It's this one- Amazon.com: Seagate Momentus 320 GB SATA 7200 RPM 2.5-Inch Internal Hard Drive ST903203N3A1AS-RK: Electronics Is this compatible?
	QUOTE Thanks

jdominy #6 (permalink)
Member Since: May 02, 2012 Posts: 3	05-02-2012, 05:28 PM Thanks all! I really appreciate it!
	QUOTE Thanks

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