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iMac Memory for Model 18.3

iMac Memory for Model 18.3 DDR4-2400Mhz
Ramjet.comiMac Memory for Model 18.3

27-inch iMac with Retina 5K Display, 2017 (iMac18,3)

Apple's latest 27-inch iMac with Retina 5K Display was released in June 2017. The system maximum is 64GB (4 x 16GB modules). Ramjet uses premium, non-stacked, low voltage chips for these LPDDR4-2400 modules. You can be assured that all of our modules are tested for your iMac.  

Technical Specifications: LP DDR4-2400MHz, PC4-19200, Non-ECC, Unbuffered, 1.2V, 260pin SO-DIMM

These machines have four low power SO-DIMM DDR4 SDRAM slots located on the rear of the computer just above the power cord receptacle. You can install any configuration of 4GB, 8GB, or 16GB modules in these slots. The 21.5-inch iMac Models 18,1 and 18,2 are not user-upgradable.

This is a sale item. No additional promotions or discounts apply.

* Product photos are representational. The appearance of your actual modules may vary.

Watch our installation video for upgrading RAM into a 27-inch iMac with Retina Display.

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.

Upgrade Size Configuration Price Purchase
64GB 16GBx4 $479.99
32GB 8GBx4 $249.99
16GB 4GBx4 $149.99
32GB 16GBx2 $249.99
16GB 8GBx2 $129.99
8GB 4GBx2 $89.99
16GB 16GB $129.99
8GB 8GB $69.99
4GB 4GB $49.99

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