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One this page you will find the answers to our most common questions. If you have a different question - just send us an enquiry with your question in it and we will get back to you as quickly as possible (usually within 2 hours).

How do I know what type of ram/memory my Mac will take?

Video Instruction:

Text Instruction:

In the very top left hand corner of your screen there is an apple symbol. Point to that, then select "About this Mac" from the drop down menu options. You will then see a pop up window that tells you how much ram is installed already. Click on the "More Info" option.

You will then see your Hardware Overview which will look something like this:

Hardware Overview:

Model Name: MacBook Pro

Model Identifier: MacBookPro5,1

Processor Name: Intel Core 2 Duo

Processor Speed: 2.4 GHz

Number Of Processors: 1

Total Number Of Cores: 2

L2 Cache: 3 MB

Memory: 3 GB

Bus Speed: 1.07 GHz

Boot ROM Version: MBP51.0074.B01

SMC Version: 1.33f8

Serial Number: W88475PT1G0

Sudden Motion Sensor:

State: Enabled

Click on "Memory" in the left hand side of that window. You will then be able to see exactly what ram you have in which slot. Here's the Memory report for one of our MacBook Pros:


Size: 2 GB

Type: DDR3

Speed: 1067 MHz

Status: OK

Manufacturer: 0x802C

Part Number: 0x31364A5346323536363448592D3147314431

Serial Number: 0xDC3A2BD7


Size: 1 GB

Type: DDR3

Speed: 1067 MHz

Status: OK

Manufacturer: 0x802C

Part Number: 0x384A53463132383634485A2D314731443120

Serial Number: 0xDB26A715

Just send us this info and we will tell you exactly which ram is right for your machine, and what is the maximum ram you can upgrade to.

What is the maximum ram I can upgrade to?

You can find your Mac's maximum RAM capacity under 'SYSTEM SPECIFICATION'

Apple iMac (Retina 5k, 27 inch, Mid 2017)

•CPU/Chipset: Intel Core i7 4.2 GHz

•Model Identifier: 18,3

•SODIMM slot: 4

•Standard Memory: 8GB (2x4gb)

• Maximum Memory: 64gb

• Note: Any combination of 4GB, 8GB and 16GB modules can reach the configuration of up to 64GB

Will upgrading my ram/memory void my Apple Warranty?

No, it won't void your warranty. Apple considers ram to be a "user-installable upgrade". So, you can install ram without voiding your warranty. Refer to the Apple Support Article for more information on this.

How long will it take for my ram to arrive?

Please refer to Shipping & Returns for more info.

How do I install the ram?

Unfortunately, there is no "one size fits all" answer to this question. Every Mac model has a different installation process. The good news is that the Apple Support website has detailed installation instructions for just about every Mac. So you will have step by step info to help you (usually it takes about 3-5 minutes to install ram - though some very old models (pre-G5) can take considerably longer).

We have compiled a list of the most common mac memory installation instructions. If you don't find the mac memory installation guide you are looking for, try searching on the Apple Support website for "How to install memory ".

What is your refund policy?

You are covered by our two pronged guarantee:
1. A lifetime warranty on the ram itself.
2. Compatibility with the Mac we recommended the ram for - so even if the ram is OK, but it doesn't work with the mac we stated it would work with, then we will replace it (though there may be a cost difference between different types of ram - and that will need to be paid if the ram is replaced with more expensive ram).

Send us an email letting us know what the problem is. If covered by our Guarantee, we will then send a Return Authorisation form. Send the ram back to the specified address within 7 days, and we will issue a replacement.

Who owns MacRam and do you have an ABN?

MacRam: Ram for Macs is owned by Mayhem Two Pty Ltd, and Adelaide-based company. Our ABN is: 32 083 044 786. We are 100% Australian owned and we buy our ram from Australian based suppliers.

If you have any other questions that are not on this list, just ask!