iMac Memory Upgrades – Mid 2010

So, slightly milking the iMac updates we did last week, and this posting about installing the memory will probably be the last.  The iMac Mid-2010 model is one of the easiest ones to upgrade, there are lots which are not upgradeable at home and this page ( has a list of which is which…

It is worth a look around to see if there are other issues to be aware of, in this case, the iMac is the lowest spec for the model and that meant we could not maximise the upgrade to the full 16gig without potentially losing some reliability.  This model came with an i3 processor and the internet is full of people warning against using single 8gig sticks of memory.

The reason for the upgrade was simple, it was running a weeny bit too slow for the operator who is using it for more than previous people.  Its slow while its maxing out on performance and hes waiting for the next thing to load.  As per the previous posting, we had already given it a good looking at, set up a timevault drive and generally taken some time to calm the machine down, however the machine itself was always going to want more than the supplied 4gig.



We did the research, ordered the memory from Global Memory and it turned up a couple of days afterwards.  This gave us the two sets of memory, 2 x 2 gig and 2 x 4 gig – it would have been tempting to try to add both sorts in the slots, but we are after reliability, and some sites say this will work, others that it won’t.  Safety first, lets just use 2 x 4 gig sticks it will make a massive difference to the user experience.

this model makes the upgrade really straightforward, pop the iMac facedown on a flat, fabric covered area and find the three screws in the bottom of the chassis.

When you unscrew these (the screws stay captured in the plate) you get to see the memory and there are two plastic tags tucked away in there that need to be pulled out.

Give these a good tug (firmly) and the memory already installed will pop out.

Make a note of which slots are in use and which way round the memory goes (check the notch), in our case the ones closest to the back of the machine were in use.  Using the same slots, slide the memory in (making sure that youve got the notch the right way round) and press firmly to seat it properly.  I havent seen one click yet, when its stopped moving, thats enough.

Tuck the plastic strips back in to the frame and reattach the plate with the three screws.

Thats pretty much job done, fire the iMac up and go to About This Mac, it will show you the new amount of memory, give it a whirl!  In the case of a 4gig to 8gig jump, you really will see the benefit immediately.  Below are some of the pics we took demonstrating the changes.