Actual product may differ slightly in appearance.

OWC Memory Upgrades

For iMac 27-Inch with Retina 5K Display (2017)

64 GB

Up to 128GB memory

2 X

Up to 2x more memory vs. factory options

Works with the following Model IDs

iMac18,3
MacBookPro5,2
MacBookPro5,3

iMac20,1
MacBookPro5,5
MacBookPro6,1

iMac19,1
MacBookPro7,1

Click here to find your Mac's Model ID

Recommended Upgrades

16GB (8GB X 2)

MacBookPro7,1 only

8GB (4GB X 2)

MacBookPro7,1 only

6GB (4GB + 2GB)

MacBookPro7,1 only

30-day 100% Money-
Back Guarantee!

Easy DIY install
videos

OWC MaxRAM Certification.

You have questions?
We have answers!

Actual product may differ slightly in appearance.

OWC Memory Upgrades

For iMac 27-Inch with Retina 5K Display (2017)

For 21.5" iMac with Retina 4K & Non-Retina Display (2017)

64 GB

Up to 64GB memory

2 X

Up to 2x more memory vs. factory original

Works with the following Model IDs

iMac18,3
MacBookPro5,2
MacBookPro5,3

iMac18,2
MacBookPro5,5
MacBookPro6,1

iMac18,1
MacBookPro7,1

Click here to find your Mac's Model ID

Recommended Upgrades

128GB (32GB X 4)

MacBookPro7,1 only

64GB (16GB X 4)

MacBookPro7,1 only

32GB (16gb x 2)

MacBookPro7,1 only

30-day 100% Money-Back Guarantee!

Easy DIY install videos

OWC MaxRAM Certification.

You have questions? We have answers!

Actual product may differ slightly in appearance.

OWC Memory Upgrades

For iMac 27-Inch with Retina 5K Display (2017)

64GB

Up to 64GB memory

2x

Up to 2x more memory vs. factory original

Works with the following Model IDs

iMac18,3
MacBookPro5,2
MacBookPro5,3

iMac20,1
MacBookPro5,5
MacBookPro6,1

iMac20,2
MacBookPro7,1

Click here to find your Mac's Model ID

Recommended Upgrades

16GB (8GB X 2)

MacBookPro7,1 only

8GB (4GB X 2)

6GB (4GB + 2GB)

30-day 100% Money-Back Guarantee!

Easy DIY install videos

Free shipping on all OWC SSDs

You have questions? We have answers!

RAM Memory

The best choice to give your iMac the ability to do more.

This Mac has four available memory slots.
Install in pairs for best performance.
Backed by an OWC / Macfixit Australia Lifetime Replacement Warranty.

Buying Options - 2400MHz DDR4 PC4-19200 -- Maximum 64GB Supported

OWC 4.0GB (1 x 4.0GB) 2400MHz DDR4 SO-DIMM PC4-19200 260 Pin CL17 RAM Memory Upgrade

$139.99

Delivery time

This item is in stock and will ship within 24 hours.

OWC 8.0GB (1 x 8.0GB) 2400MHz DDR4 SO-DIMM PC4-19200 260 Pin CL17 RAM Memory Upgrade

$199.99

Delivery time

This item is in stock and will ship within 24 hours.

OWC 32.0GB (1 x 32.0GB) 2400MHz DDR4 SO - DIMM PC4 - 19200 260 Pin CL17 RAM Memory Upgrade - Macfixit Australia

OWC 16.0GB (1 x 16.0GB) 2400MHz DDR4 SO-DIMM PC4-19200 260 Pin CL17 RAM Memory Upgrade

$309.99

Delivery time

This item is in stock and will ship within 24 hours.

OWC 32.0GB (1 x 32.0GB) 2400MHz DDR4 SO-DIMM PC4-19200 260 Pin CL17 RAM Memory Upgrade

$569.99

Delivery time

This item is in stock and will ship within 24 hours.

Quality & Performance You Can Trust

Industry Leading Warranty & Support

30 Day Money Back Guarantee

OWC Memory RAM modules are built to the highest quality standards, custom made for Mac first and rigorously lab tested for reliable performance long into the future.

All OWC Memory RAM modules are backed by Australian Lifetime Replacement Warranty, as well as our expert customer support program.

Test drive your OWC Memory RAM for 30 Days. If you are not completely satisfied, simply contact Macfixit Australia to request a full refund. No hassle, no restocking fees .