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Pros & Cons
pros
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pros
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Easy Installation
Customers have reported easy installation process for this memory upgrade on their 2017 iMac with Retina 5K display, taking only a few minutes to complete. Some customers mentioned that they kept the original RAM and installed the new one in new slots for optimal performance. The upgrade resulted in significant improvement and was worth the investment.
Performance
Customers report significant performance improvements after upgrading their iMac's memory with OWC's DDR4 SO-DIMMs. Applications and data load faster, and overall system responsiveness has noticeably improved. Some customers also mention the reliability of Amazon delivery.
Compatibility
Customers have generally positive feedback regarding the compatibility of OWC's 32GB memory upgrade for the 2017 iMac with Retina 5K display. Some customers experienced immediate performance improvements, while others appreciated the great customer service and cost-effectiveness. However, a small group of customers mentioned that they had issues with other brands' memory compatibility and found OWC to be the most reliable option.

Highlights
Quality
A+++ - excellent quality, and highly recommended.
I have had it installed for nearly two weeks and it has been working flawlessly.
Voila, after 15-20 seconds apple logo was on screen and it booted without no problems.
After using it for 4 hours and rebooting once everything became quite snappy and by the second day, i can finally see the payof... Read More
Price
The memory upgrade was also very cost-effective, and after longterm use, they are also reliable.
This is a cheap upgrade that adds immediate benefits and well worth the money.
I just could not spend an extra $1000 for factory memory.
I was so surprised when i realized that you cannot purchase those cards very easily and apple wants $600 for 32gb!
Shipping
Ordered the memory, it got here quickly and took just a few minutes to install.
:) all went well (bought second set from newer galaxy distribution company, llc through amazon - delivered just on time.
Called amazon to get my money back, the amazon rep asked if i would be willing to try a few trouble shooting steps first.
Competitiveness
Compared to the base memory that came with my imac, this is a bargain.
It was a risky process for me because it was an international shipment for me and if something goes wrong returning it would be... Read More
After investigating for 32 gb ram for imac 2017 27" from well known brands, i decided to go with owc.
Overview
- How are reviewers describing this item?
new. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 365.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 1,626 reviews as of our last analysis date on Mar 12 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
Took no more than 5 minutes to unplug remove the cover and install
Posted by a reviewer on Amazon
Ive been tempted on replacing the 8gb to completely max out my imac but 40bg has been plenty
Posted by a reviewer on Amazon
In dec 2017 i bought my 2017 imac with radeon pro 580 but with only 8gb ram because i would upgrade the ram after now that i had the chance i bought owc 2x8gb ram 2400mhz
Posted by a reviewer on Amazon
I purchased imac 27” 2017 just because it has an option to extend ram memory and for editing videos in 4k i need minimum of 32gb
Posted by a reviewer on Amazon
I spent a few hours on the phone with apple technical support and nobody wanted to give me this information
Posted by a reviewer on Amazon
I purchased corsair vengeance sodimm 32gb 2x16gb ddr4 2400 c16 laptop memory kit and i tried to install cards in different slots but it didn’t work
Posted by a reviewer on Amazon
Once i was able to successfully log in i shut the system down and rearranged the new ram in the first two slots of the computer this was encouraged in an online thread i came across and the old ram in the last two slots
Posted by a reviewer on Amazon
It took forever to power on but when it did the excessive fan noise was gone
Review Count History
Price History
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