I want to increase the RAM of iMac?

Hi,
I want to increase the RAM of iMac 27"(Late 2013) to 32GB, is it possible to do the same?
If yes, then please let me know the steps to do it.
Thanks & Regards,
Ankush Madan

Yes, you can upgrade it to 32GB, most on this forum recommend two vendors OWC (www.macsales.com) or Crucial. If you are in the USA use OWC, if you are anywhere else then Crucial. BTW here is s link to show how easy it is to install:
http://eshop.macsales.com/installvideos/imac_27inch_late_2012_mem_m/
Good luck.

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I have a 15' Macbook Pro, mid 2010 running Mavericks. I want to upgrade the hardware by increasing the RAM to 8GB and replacing the HD for a SDD one. What would be the best way to install mavericks on the new HD? I have the original OS X CD.

I have a 15' Macbook Pro, mid 2010 running Mavericks. I want to upgrade the hardware by increasing the RAM to 8GB and replacing the HD for a SDD one. What would be the best way to install mavericks on the new HD? I have the original OS X CD.
From what I read, I have 2 choices: 1. to install OSX and then upgrade to Mavericks, but I'm not sure if this would be possible (to upgrade directly from OSX to Mavericks); and 2. to use a software called Super Duper.
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Install the new drive in the computer.
Install the old drive in an external USB or Firewire enclosure.
Boot the computer from the Recovery HD on the external drive.
Use Disk Utility to partition and format the new internal drive.
Clone your external drive to the internal drive.
How to replace or upgrade a drive in a laptop
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Step Three: Boot from the Recovery HD on the external drive. Restart the computer and after the chime press and hold down the OPTION key until the boot manager appears. Select the icon for the Recovery HD then click on the downward pointing arrow button.
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2. Select the destination volume from the left side list.
3. Click on the Restore tab in the DU main window.
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Welcome to Apple Support Communities
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After increasing the RAM in Database CPU 80% used.

HI,
We are currently running EBS 12.0.6 ith database 10.2.0.3 multi node env (this is production)
After increasing the RAM in application from 8 to 16 GB and in database from 16 to 24 GB, I start the database and my database running normal but when I starts the application services then CPU Utilization goes upto 70% to 80%, and my all users are seriously facing very bad recponse.
I have no idea what is happning in our system, but when I revert back the RAM's to 8 GB in application and 16 GB in database my application and Database working normal.
Please assist me???????????
Our system specifications are following:
=============
Current envoirnment:
=============
Application Machine:
--> Dell 2950, 8 GB RAM, OS Linux AS 4.6 (32-bit).
--> CPU's:
[oracle@apps ~]$ cat /proc/cpuinfo |grep MHz
cpu MHz : 2992.572
cpu MHz : 2992.572
cpu MHz : 2992.572
cpu MHz : 2992.572
cpu MHz : 2992.572
cpu MHz : 2992.572
cpu MHz : 2992.572
cpu MHz : 2992.572
--> Linux apps.silhon.com 2.6.9-67.ELsmp #1 SMP Wed Nov 7 13:58:04 EST 2007 i686 i686 i386 GNU/Linux.
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[oracle@appsdb dontdelete]$ cat /proc/cpuinfo |grep MHz
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
cpu MHz : 2926.039
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========================================================================
==================
New changed envoirnment:
==================
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Thanks.

HI,
I have checked the kernel-hugemem as:
# rpm -qa | grep kernel
kernel-smp-2.6.9-67.EL
kernel-hugemem-devel-2.6.9-67.EL
kernel-devel-2.6.9-67.EL
kernel-doc-2.6.9-67.EL
kernel-utils-2.4-13.1.105
kernel-smp-devel-2.6.9-67.EL
kernel-xenU-devel-2.6.9-67.EL
kernel-2.6.9-67.EL
What is the meaning of above output, I mean have already kernel-hugemem rmp installed?
If yes then why the system not using it.
When I had install 24 GB RAM, my OS detect it and also show the RAM 24 GB (checked by free command), but my Database was having high CPU after increasing RAM 24 upto 24 GB.
So, Should I install this rpm "kernel-hugemem-2.6.9-67.EL.i686.rpm"?????
Regards
Edited by: user12007410 on Feb 18, 2011 8:14 PM

I want to upgrade the ram on my macbook pro 13inch (early 2011). i found an 8Gb (4Gb x2) PNY "mac compatible" that is DDR3 PC3-10666 but my macbook is a PC3-10600. Do i need to use a ram with the exact specifications that my macbook lists?

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Yes that is your best bet. Without looking at it too closely double check your options here:
OWC http://www.macsales.com/
or Crucial http://www.crucial.com/

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More relevant to the question is that there are no expansion slots either.
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I would like to increase the RAM to the maximum that my Compaq Presario CQ57-450EA Notebook will allow, it currently only has 2.00GB.
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Regards Rod
This question was solved.
View Solution.

Hi
Please find the link given below might help you.
Compaq Presario CQ57-400 Notebook PC series - Specifications
Let us know how it goes!
"I work for HP."
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Regards
Manjunath

Want to change the Ram on Macbook Pro?

I have MacBook Pro 15 Inch Mid 2010
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Although I am an HP employee, I am speaking for myself and not for HP.
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I want to increase the RAM of iMac?

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