1-800-275-4576
128GB OWC Memory Upgrade Kit
4 x 32GB PC21300 DDR4 2666MHz SO-DIMMs for 27-inch iMac with Retina 5K (2019 - 2020) and compatible PCs
Mfr P/N: 2666DR4S128S OWC SKU: OWC2666DR4S128S
$90.99 off - *NOW* Get Parallels Desktop Pro Edition - Windows/Multi OS Compatibility software for Mac - Only $29.00 with select OWC SSDs, HDDs, Memory, External Storage, and Optical Drives! (Limit 3 rebates, 1 rebate per qualifying item)
Must purchase with: Parallels Desktop Pro Edition for Mac - 1 Year License. SPECIAL PURCHASE
Memory Built by Mac People, for Mac People (and PC too), for Over 30 Years
- Memory is the most cost-effective DIY upgrade you can make to your Mac or PC.
- Unleash the true speed and performance of your system and applications.
- Experience increased efficiency and productivity. Open more apps and files, all at the same time.
- Warranty Safe Upgrade
- Free step-by-step installation videos
- Why do I need more Memory?
- 30 Day Money Back Guarantee
- OWC Memory Lifetime Limited Warranty including Advanced Replacement Program
Overview
OWC Memory. Built for Macs + PCs.
Experience your computer's true performance potential.
Improve System Speed
OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential, and speed up overall responsiveness.
More Apps. More Files
Become a multi-tasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.
Save $$ vs Factory
Save BIG vs factory memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs.
Lab Tested Compatibility
We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is built-to-last.
Lifetime Warranty
We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service.
Step-by-Step Videos
Our detailed install videos guide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy.
Experience the OWC Difference
Rely on the trusted name for memory upgrades, drives and accessories for over 30 years. Your OWC Memory upgrade was built by Mac and PC people, for Mac and PC people. Our expert support team is always a call or click away. You can talk to an actual human who will kindly provide advice and guidance for any questions you may have.
Being helpful and treating others the way you would want to be treated is not just a novel idea. It’s how we do business. It's how we’re built. It's what we’ve been doing since 1988.
Includes
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- (4) 32GB PC21300 2666MHz DDR4 SO-DIMM memory modules
- OWC Memory Lifetime Limited Warranty including Advanced Replacement Program
Specs
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Data Rate
- 2666MT/s
I/O Clock Speed
- 1333MHz
Registration
- Non-registered
Error Correction
- Non-ECC
Cycle Time
- 0.75 ns
Form Factor
- SO-DIMM
Type of Memory
- DDR4
PC Speed
- 21300
Timing
- CAS = 18.0
- Full Parameters: 18-18-18-14
Bandwidth
- 21.3GB/s
JEDEC
- Fully compliant with JEDEC specifications
Total Capacity
- 128GB
Pin Count
- 260-pin
Printed Circuit Board Type
- Low noise 8-layer PCB
RoHS Compliant
- Yes
Ambient Temperature
- Operating: 32°F to 185°F (0°C to 85°C)
Compatibility & Installation Videos
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PC Compatible
Videos
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Customer Reviews
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Memory arrived quickly and installed easily
I would recommend this product to a friend!
Verified Purchase.- Reviewer:pmyers-88671
Thank you for your fantastic review! We're thrilled to hear your memory upgrade arrived quickly and was a breeze to install. It's wonderful to know that you're enjoying the benefits of your upgrade. We appreciate your support and look forward to helping you with any future upgrades! Please feel free to contact us if you have any further questions, comments, or concerns. https://eshop.macsales.com/Service/
Easy process, exactly what I was looking for, lowest price.
I would recommend this product to a friend!
Verified Purchase.- Reviewer:Reviewer3368786397
Wow, thank you so much for your amazing review! We are thrilled to hear that you found the perfect RAM for your needs and that the process was smooth and easy for you. It's fantastic to know that we could offer you the lowest price! We truly appreciate your support and are excited to continue providing you with the best products. Happy upgrading!
Installed the 64GB of memory and now the 27" iMac periodically has a hardware crash forcing me the use to cycle the power. Tried to live with this but after four hardware crashes removed the 64GB of memory purchased and reinstalled the 8GB that came with the 27" iMac.
Verified Purchase.- Reviewer:Reviewer3199988753
We’re truly sorry to hear about the trouble you’ve experienced after installing the memory. That kind of disruption can be incredibly frustrating, especially when you’re expecting an upgrade to improve performance. This definitely isn’t the experience we want for you. A member of our team will be reaching out shortly to assist with troubleshooting and to set up an RMA if necessary. We're here to help get your system running smoothly again as quickly as possible. Thank you for bringing this to our attention.
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