✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Hot Sale Owc 16gb (2x8gb) Pc4-19200 Ddr4 2400mhz Sodimm Ram Memory Upgrade Kit For Apple Imac 21.5-inch 4k (mid 2017) Flash Sale: 70% Off [eMa30mPp]

$18.99 $60.99 -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

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

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.

Professional Installation Highly Recommended
While this upgrade kit itself should not void your warranty, the installation process is very complex and thus it is recommended to be performed by a trained professional.

Includes
(2) 8GB PC19200 2400MHZ DDR4 SO-DIMM memory modules
(1) 21.5" iMac Adhesive tape set for proper display resealing
OWC Memory Lifetime Limited Warranty

Specifications
  • Data Rate: 2400MT/s
  • I/O Clock Speed: 1200MHz
  • Registration: Non-registered
  • Error Correction: Non-ECC
  • Cycle Time: 0.83 ns
  • Form Factor: SO-DIMM
  • Type of Memory: DDR4
  • PC Speed: 19200
  • Timing: CAS = 17.0
  • Full Parameters: 17-17-17-14
  • Bandwidth: 19.2GB/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)
Compatibility
  • iMac (Retina 4K, 21.5-inch, Mid 2017) // Model ID: iMac18,2 - A1418 - EMC - 3069
  • iMac (21.5-inch, Mid 2017) // Model ID: iMac18,1 - A1418 - EMC - 3068

Note: Memory provided in this kit is special config for Apple iMac 21.5" ONLY and is NOT compatible with Apple iMac 27" Models. Included memory also compatible with PC Laptops which use DDR4 2133 or 2400 modules.

Product videos

What Our Customers Say

December 30, 2025

Absolutely no complaints!

This performs better than I could have imagined.

- Terry Cook.

December 30, 2025

Absolutely no complaints!

I've been using it non-stop since it arrived.

- Victoria James.

December 30, 2025

Absolutely no complaints!

The product is a great example of 'buy it for life' quality.

- BIFL_Buyer.

Write a Review

You Might Also Like

Discover more great products from our collection.

P2B-SC-010L

P2B-SC-010L

(410)
$30.99 $99.99 -69%
Cartier Corbetti CT0061O 003

Cartier Corbetti CT0061O 003

(529)
$41.99 $134.99 -69%
GL 7

GL 7

(916)
$64.99 $207.99 -69%
Symbiote Fat Burner

Symbiote Fat Burner

(579)
$16.99 $54.99 -69%

Copyright 2025 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY