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All-in-one Owc 16gb (2x8gb) Pc4-21300 Ddr4 2666mhz Sodimm Ram Memory Upgrade Kit For 21.5-inch Imac (2019) Get 85% Off Today [Jhix9PXl]

$20.99 $67.99 -69%

Improve System SpeedOWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac's full potential and speed up overall responsiveness.More Apps. More FilesBecome a multi-tasking maven when you upgrade your Mac with

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Improve System Speed
OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac's full potential and speed up overall responsiveness.

More Apps. More Files
Become a multi-tasking maven when you upgrade your Mac with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.

Save $$S vs Factory
Save BIG vs factory Mac 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 100% compatible with your Mac.

Lifetime Warranty
We build OWC Memory upgrades to meet or exceed Apple's specs and 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 modules
(1) 21.5" iMac Adhesive tape set for proper display resealing
OWC Memory Lifetime Limited Warranty

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: 16GB
  • 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.
Compatibility
  • iMac (Retina 4K, 21.5-inch, Early 2019) // Mac19,2 - A2116 - EMC - 3195

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.;

Product videos

What Our Customers Say

December 30, 2025

Absolutely no complaints!

It’s a very well-supported product with a great community.

- Community_Member.

December 30, 2025

Absolutely no complaints!

The product feels very balanced and well-engineered.

- Laura M..

December 30, 2025

Absolutely no complaints!

This is a standout product in a crowded market.

- MarketWatcher.

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