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Actual product may differ slightly in appearance.
OWC Memory Upgrades
For iMac Pro (2017 - 2021)
1.5
TB
Up to 1.5TB memory
512
GB
Up to 512GB memory
Works with the following Model IDs
- iMacPro1,1
- MacBookPro2,2
- MacBookPro5,3
- MacBook4,1
- MacBookPro4,1
- MacBookPro6,1
- MacBook5,2
- MacBookPro7,1
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 Pro (2017 - 2021)
512
GB
Up to 512GB memory
75
%
Up to 75% Savings vs. Factory Options
Works with the following Model IDs
- iMacPro1,1
- MacBookPro2,2
- MacBookPro5,3
- MacBook4,1
- MacBookPro4,1
- MacBookPro6,1
- MacBook5,2
- MacBookPro7,1
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 Pro (2017 - 2021)
512GB
Up to 512GB memory
75%
Up to 75% Savings vs. Factory Options
Works with the following Model IDs
- iMacPro1,1
- MacBookPro2,2
- MacBookPro5,3
- MacBook4,1
- MacBookPro4,1
- MacBookPro6,1
- MacBook5,2
- MacMini5,3
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!
8GB Module Buying Options 1066MHz DDR3 PC3-8500 ECC Memory
*27-inch iMac models (iMac11,1 and iMac 10,1) support up to 32GB total memory (maximum 8GB per slot). 21.5-inch iMac models (iMac10,1) only support up to 16GB total memory (maximum 4GB per slot).
OWC Memory
- Up to 512GB of OWC MaxRAM Certified Memory.
- Install in pairs for best performance.
- Difficulty level: Extremely difficult.
- Backed by an OWC / Macfixit Australia Lifetime Warranty.
iMac Pro DOES NOT feature a memory door on the back allowing for easy upgrades. Upgrading iMac Pro memory requires dismantling the computer to gain access to the memory slots. This is a highly complex process that requires a skilled technician.
Buying options 2666MHz DDR4 PC4-21300 -- Maximum 512GB memory supported
NOTE: macOS 10.14.3 Mojave or later must be installed before installing any kits utilizing 64GB or 128GB memory modules. iMac Pro can use either RDIMM or LRDIMM, but they cannot be combined. Additionally, LRDIMM modules must all be of the same size. For maximum performance, population of all 4 DIMM slots is recommended.
*27-inch iMac models (iMac11,1 and iMac 10,1) support up to 32GB total memory (maximum 8GB per slot). 21.5-inch iMac models (iMac10,1) only support up to 16GB total memory (maximum 4GB per slot).
32GB / 16GB / 8GB Modules
2666MHz RDIMM Memory for 8-Core Mac Pro
- Mac Pro supports up to 12 DIMMs installed in configurations of 4, 6, 8, or 12 DIMMs.
- Works with Apple and OWC 32GB, 16GB, and 8GB modules.
- All installed memory should be the same speed for best performance.
- Backed by an OWC / Macfixit Australia Lifetime Replacement Warranty.
NOTE: Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined.Configurations of 5, 7, 9, 10, and 11 DIMMs are not supported. Other configurations of 1, 2, and 3 DIMMs are for diagnostic use only.
8GB Modules - Buying options 2666MHz DDR4 PC4-21300 RDIMM
*27-inch iMac models (iMac11,1 and iMac 10,1) support up to 32GB total memory (maximum 8GB per slot). 21.5-inch iMac models (iMac10,1) only support up to 16GB total memory (maximum 4GB per slot).
Recommended Tools
*27-inch iMac models (iMac11,1 and iMac 10,1) support up to 32GB total memory (maximum 8GB per slot). 21.5-inch iMac models (iMac10,1) only support up to 16GB total memory (maximum 4GB per slot).
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 .