Upgrade your RAM for an instant increase in speed.

EMC 2133 models use PC2-5300 RAM and EMC 2210 models use PC2-6400 RAM. The maximum RAM for both models is 6 GB.

Loosen the single Phillips screw in the center of the access door.
  • Loosen the single Phillips screw in the center of the access door.

  • This screw is captive in the access door.

  • Remove the access door from your iMac.

isn't it actually pc2-5300s ?

grze - Responder

Use the tip of a spudger to pull the black plastic RAM tabs out of the memory bay.
  • Use the tip of a spudger to pull the black plastic RAM tabs out of the memory bay.

  • Pull the black plastic RAM tab away from your iMac to eject the RAM chip.

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  • Grab the RAM chip by its edges and pull it straight out of its slot.

  • If two RAM chips are installed, repeat this process for the other chip.

I don't know if this matters, but if you are doing the 6 GB upgrade on the A2210, I put the 2 GB chip in the left slot and the 4 GB chip in the right slot (with the computer on its back and the monitor facing up and the memory compartment facing you).

wcwirla - Responder

Thsnk you for this tip.

Was it necessary to remove the stickers that are attached to the RAM BEFORE installing?

Rebecca Geiger -


To reassemble your device, follow these instructions in reverse order.

130 outras pessoas concluíram este guia.

I currently have a 4GB memory module installed on an EMC 2210 in one of the memory slots. Can I still install the original 1GB ram in the other slot making it 5GB total memory?

richt0812 - Responder

[|It depends on the model. Check here:]

Alex Nos -

I installed 2GB x2 to mine to upgrade from 1GB x2. It took just minutes and I used a regular philips screw driver I found around home. Pull hard on the black straps to get the memory out. It is working great with no problems. Good luck!

1tom2go - Responder

Thank you for the guide. I had 2GB. I took out 1 module to add a 4GB module. So easy and now my 2133 iMac is jaw dropping fast.


garison - Responder

Hi Garison,


I hope you can answer my question. I have an iMac, medio 2007, Intel 20" EMC 2133.


RAM: (1GB + 1GB) 667 MHz DDR2 SDRAM.


I would like to make my iMac "jaw dropping fast" as well ;-)


Is it PC 5300 or PC 6400 I should buy?


And what setup wold you recommend? (1GB + 2GB), (1GB + 4GB), (2GB + 2GB) or (2GB + 4GB)?




mipedersen -

The maximum memory for an iMac 20" - Early 2009 (ECM 2133) is 8Go (2*4Go) and not 6Go as said in the tutorial.

See Apple support page:

Moi - Responder

This tutorial is not for the 2009. Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

Ricardo -

Hi there, Apple says maximum ram for 2210 model (20" Early 2008) is 4GB (2 modules x 2gb). This tutorial above says 6gb! Who is right? Anyone manage to install 6gb? Thanks

james - Responder

Yes, search for the EMC number (2210) on everymac dot com, and you can see its site verifies that 6gb is compatible.

at0gjm -

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