OWC 64GB (4 x 16GB) PC4-21300 DDR4 2666MHz SODIMMs ram memory upgrade

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.
• OWC Memory Lifetime Limited Warranty

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.

Includes
(4) 16GB PC21300 2666MHz DDR4 SO-DIMM memory modules
OWC Memory Lifetime Limited Warranty

Notes:

• For 27-inch iMac (2020) models – iMac20,1 and iMac 20,2 – OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.
  
• 21.5-inch iMac (Mid 2017) – iMac18,1 – is compatible with 2666MHz memory, but will operate at 2133MHz speed.