Customer Review

61 of 65 people found the following review helpful
5.0 out of 5 stars THE definative Mac Apple RAM MUST READ FOR NOOBS, 10 Nov. 2013
This review is from: Crucial ram memory 16GB kit (2 x 8GB) DDR3 PC3-12800,1600MHz for 2012 Apple Macbook Pro's, 2012 iMac's, and 2011 / 2012 Mac mini's (Personal Computers)
If you are looking to install RAM that will GENUINELY work for your Apple products get Crucial every time. I am writing this review to help anyone who is sitting on the fence after reading reviews about problems so I will explain to help you out. This works 100% Please say this review was helpful if it worked for you. In fact I know it does work, I've been where you are now and thats why I took the time and effort to put this together and links. Please do this as I am not after popularity, it will help this review rise ranks so more people can use this guide for painless RAM installation!

Encourage charity lets get installing!

Firstly go here from Apples site (choose your country code as appropriate if not in UK) e.g. apple.com/ie apple.com/nz
[...]

if this link no longer works then type this in the Apple search bar How to remove or install memory
actually I used iMac: How to remove or install memory so put in your RAM product e.g. if its a Macbook search for Macbook: How to remove or install memory

Heres what it shows me for my IMAC LATE 2013 just bought 2 weeks ago from the new releases.

Number of memory slots 4 *SLOTS AVAILABLE TO YOU
Base memory 8 GB *STARTING MEMORY
Maximum memory 32 GB *MAXIMUM MEMORY
Note: Memory replacement on the iMac (21.5-inch, Late 2012) and iMac (21.5-inch, Late 2013) is not user-removable and must be done by an Apple Retail Store or Apple Authorized Service Provider. *NOTE 27INCH IMACS ARE FAR EASIER TO INSTALL AND YOU PRESS A BUTTON TO OPEN THE RAM COMPARTMENT - AT THE BACK ABOVE THE POWER PLUG
Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria:

iMac (Mid 2012)
PC3-12800
Unbuffered
Nonparity
204-pin
1600MHz DDR3 SDRAM
* SO THIS ALSO TELLS ME THAT THE RAM LATE 2013 IS ACTUALLY THE SAME RAM FROM 2012.
THIS CRUCIAL RAM MEETS ALL THE CRITERIA THERE ARE OTHER CRITERIA TOO SUCH AS VOLTAGE 1.35 and CL 13 etc. CL 9 etc. CL just refers to memory speed, the lower the better. You do not need to look for this, its nice to know but compatible ram is compatible ram - so stick with Crucial brand. It works!

Heres how I upgraded my LATE IMAC 2013 if you want to see this this youtube is really handy as it explains what I am writing below.

video

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in pictures:

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After you BUY the crucial ram then just open your slot and the back by pressing the button above the power cord. (PS SWITCH OFF MAC FIRST, WAIT A MINUTE AFTER DOING THIS TO ALLOW PARTS TO COOL DOWN) Squeeze the two buttons and pull outwards the ram slot.

Take out the 2 4GB rams you have (making up the 8GB) REMEMBER THE RAM SLOTS YOU TOOK OUT THE RAM FROM AND REPLACE THOSE 2 SLOTS WITH NEW RAM! This is because they are the allocated PRIMARY slots so the largest RAM amount should go there first! For me this is RELEVANT...as my ram was 8GB each, if your adding 4GB each you do not need to do this as your ram newly bought RAM is not higher that your primary RAM. Only do this if your newly bought RAM is higher than your primary ram.

Im writing this is caps, but don't think anything bad will happen if you don't do this - nothing bad happens, it just makes it more efficient for you.

When you place the ram inside before you do so make sure you have the GAP on the correct side of the slot. EG Look at the pictures in the link (macworld) the gap in the boxed Crucial ram pic is on the LEFT...whatever way it is in your slot, make sure you align it correctly. Make sure you are placing the ram correctly and not at an angle too. When you push the ram in Push it in FURTHER till you here a CLICK noise to confirm its in.

AND THATS IT!!! IM A NOOB THIS IS MY FIRST MAC and FIRST RAM INSTALLATION - and it was easy! so you too can do it.
If you want to know more about Ram timings then look here...its more academic, if you just match the apple spec from your ram page then thats enough
[...]

OK so there you go and your welcome!
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