64GB OWC Matched Memory Upgrade Kit (2 x 32GB) 2666MHz PC4-21300 DDR4 SO-DIMM

Boost your Mac or PC’s performance with the OWC 64GB Matched Memory Upgrade Kit, engineered to propel your system to new heights of efficiency and speed.

Precision Tested for Optimal Compatibility

At OWC, precision matters. Our memory kits aren't just assembled but crafted, with each module rigorously tested in our state-of-the-art on-site laboratory. We ensure full compatibility with nearly every Apple Mac model from the last 25 years, guaranteeing our RAM not only meets but exceeds Apple's stringent design specifications.

Tailored for Mac

Perfect for the latest 27-inch iMac (2020) models — iMac20,1 and iMac 20,2 — our matched kits ensure harmonised operation when all DIMMs share the same capacity, speed, and manufacturer. This meticulous matching process helps to optimise performance, providing smoother and faster handling of complex tasks and demanding applications.

Enhance Multitasking and Productivity

Upgrading your memory is the most cost-effective way to enhance multitasking capabilities and improve overall system responsiveness. Open multiple applications at once, switch between them effortlessly, and experience a noticeable boost in your productivity.

Trust in OWC's Quality

Backed by over 30 years of experience and a Lifetime Limited Warranty, including an Advanced Replacement Program, OWC memory modules deliver reliability you can trust. Upgrade with confidence knowing that you're investing in top-tier quality designed for longevity.

Easy DIY Upgrade

Installation is a breeze with our step-by-step videos guiding you through the process. Transform your system quickly and easily, making it ready to handle anything from advanced video editing and graphic design to high-end gaming.