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- OWC 16GB (2 x 8GB) PC4-21300 DDR4 2666MHz SODIMMs ram memory upgrade OWC 16GB (2 x 8GB) PC4-21300 DDR4 2666MHz SODIMMs ram memory upgrade
- Description
- Specifications
- Compatibility
- Product videos
- Reviews
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.
Includes
(2) 8GB PC21300 2666MHz DDR4 SO-DIMM memory module
OWC Memory Lifetime Limited Warranty
- 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: 16GB (2 x 8GB)
- Voltage: 1.2 Volts
- 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)
- Note: PC4-21300 DDR4 2666MHz SO-DIMMs will operate at 2400MHz speeds in iMac19,2 models with 3.6GHz Quad-Core i3 Processor. This memory will operate at full 2666MHz speeds in other iMac19,2 models.
- iMac:
- iMac (Retina 5K, 27-inch, Mid 2020) Model ID: iMac20,2 - A2115 - EMC - 3442
- iMac (Retina 5K, 27-inch, Mid 2020) Model ID: iMac20,1 - A2115 - EMC - 3442
- iMac (Retina 5K, 27-inch, Early 2019) Model ID: iMac19,1 - A2115 - EMC - 3194
- iMac (Retina 5K, 27-inch, Mid 2017) Model ID: iMac18,3 - A1419 - EMC - 3070
- iMac (21.5-inch, Mid 2017) Model ID: iMac18,1 - A1418 - EMC - 3068
- iMac (Retina 4K, 21.5-inch, Mid 2017) Model ID: iMac18,2 - A1418 - EMC - 3069
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iMac (Retina 4K, 21.5-inch, Early 2019) Model ID: iMac19,2 - A2116 - EMC - 3195
- Mac mini:
- Mac mini (Late 2018) Model ID: Macmini8,1 - A1993 - EMC - 3213
- PC Compatible
- 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.
- Tools are required to install memory in Mac mini (Late 2018). OWC recommends the OWC Memory Installation Toolkit for this install.
- Tools are required to install memory in 21.5-inch iMac (Mid 2017, Early 2019). OWC recommends OWC Memory Upgrade Kits for 21.5-inch iMac with Retina 4K & non-Retina Display (Mid 2017) and OWC Memory Upgrade Kits for 21.5-inch iMac with Retina 4K Display (Early 2019) including everything you need to complete this install.
- 21.5-inch iMac (Mid 2017) – iMac18,1 – is compatible with 2666MHz memory, but will operate at 2133MHz speed.