- Tech Specs
- Install Video
16GB DDR4-2666MHz iMac Memory for the 27-inch Retina released in March 2019, Model ID 19,1. The 21.5-inch iMac Models are not user-upgradable.
Contains one 16GB Low Power SO-DIMM memory module that is specifically designed and SPD configured for the March 2019 27-inch iMac with 5K Retina Display.
This module is compatible with the latest Apple Firmware.Specifications:
- Total Capacity: 16GB
- Data Rate: 2666MHz
- Bus Speed: PC4-21300
- Form Factor: DDR4 Non-ECC, Unbuffered, SO-DIMM
- No. of Pins: 260
- Module Ranks: Single Rank, Low Noise 8-Layer PCB
- Voltage: 1.2V
- CAS Latency: 17
- Features: True DDR4 Major Thermal Tested
- ROHS Certified, Compliant with JEDEC specifications
Watch our installation video:
Click here for Apple's installation guide.
|Domestic Shipping Options||Delivery Estimate|
|US Postal Service 1st Class*||FREE||3-10 business days|
|US Postal Service Priority Mail||$6.99||2-4 business days|
|UPS Ground||$9.99||3-5 business days|
|UPS 2-Day||$12.99 and up||2 business days|
|UPS Overnight||$29.99 and up||1 business day|
|International Shipping Options||Delivery Estimate|
|UPS Worldwide Expedited||Price varies||2-5 business days**|
|UPS Worldwide Saver||Price varies||1-3 business days**|
Ramjet offers same day shipping for UPS Overnight and UPS 2-day air orders for in-stock items that are received by 3pm Central time Monday through Friday (Holidays excluded.) UPS costs are calculated based on promixity and package weight.
* Shipping weights above .8 lbs (13 ounces) can not use US Postal Service 1st Class.
** International shipping charges include all brokerage fees, but do not include taxes or duties assessed by your local government. International delivery estimates do not include any customs inspection delays.