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64GB (16GBx4) iMac Memory for 27-inch Retina Mid 2017 Model 18.3 DDR4-2400Mhz

$499.99 $479.99
  • Tech Specs
  • Install Video
  • Shipping

Tech Specs

64GB (16GBx4) DDR4-2400MHz iMac Memory for the 27-inch Retina released in June 2017, Model ID 18,3. Apple also identifies these newest machines with the following part numbers: MNE92LL/A, MNEA2LL/A and MNED2LL/AA. The 21.5-inch iMac Models 18,1 and 18,2 are not user-upgradable. The 3.4GHz 27-inch iMac MNE92LL/A only upgrades to a 32GB maximum. 

Contains four (4) 16GB Low Power SO-DIMM memory modules that are specifically designed and SPD configured for the June 2017 27-inch iMac with 5K Retina Display.

This module is compatible with the latest Apple Firmware.


  • Total Capacity: 64GB (16GBx4)
  • Data Rate: 2400MHz
  • Bus Speed: PC4-19200
  • 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

Install Video

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.

 Serving the Apple Community Since 1996
High quality, Ramjet certified Mac Memory

DDR4-2400-SODIMM - 64GB (16GBx4) IMac Memory For 27-inch Retina Mid 2017 Model 18.3