Key Features
Compatibility
Product Description
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.
Specifications
- 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
- Capacity: 64GB
- 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
27-inch iMac
- iMac | 2020 iMac20,1 - A2115 - EMC3442
- iMac | 2020 iMac20,2 - A2115 - EMC3442
- iMac | 2019 iMac19,1 - A2115 - EMC3194
-
iMac | 2017 iMac18,3 - A1419 - EMC3070
- PC Compatible
Product videos
Shipping & Returns
- Free UK Shipping: Delivered in approx. 2 working days
- Express Options: Faster methods available at checkout
- Free Shipping to Ireland: For orders over £100.00
- International Delivery: Times vary by destination; shipped via FedEx or DHL
- 30-Day Returns: Return within 30 days from order date
- UK, Ireland and EU Customers: Free return label provided
- Full Return Policy: Read Here
- Full Shipping Details: Read Here
Payment
Safe payment on our website.
Pay by card, Klarna, PayPal, Apple Pay, G-Pay, Shop Pay, Revolut, Bancontact, iDeal, or even bank transfer.
Customer Service
Email and chat available 24/7
Free number UK: 08001954072
International: +442838341148
Phone Line Opening Hours
- Monday - Friday: 09:00-17:00
