Product Review

4 x 16 GB (64GB) 2666MHZ DDR4 SO-DIMM PC4-21300 Memory Upgrade
Product Specs: Technology: DDR4 SO-DIMM 260 Pin
Density: 4 x 16GB (16384MB)
RoHS: Yes
Pin Count: 260-pin
Op. Temp.: 0C to +85C
Data Rate: DDR4-2666
Speed: PC4-21300
Voltage: 1.2V
Low Noise 8-Layer PCB
Meets and/or Exceeds Apple/Intel Specifications
RoHS Certified
Warranty Safe Upgrade
OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program
Compatible with: iMac w/Retina 5K display (27-inch Early 2019) Model ID: iMac19,1 (3.0GHz i5, 3.1GHz i5, 3.7GHz i5, 3.6GHz i9) and PC laptops