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Crucial 16GB (2 x 8GB) DDR4 2666MHz SODIMM Memory Upgrade Kit CT2K8G4SFS8266 Compatible with iMac Retina 5K 27-inch 2019 (iMac19,1) and Mac Mini 2018 (Macmini8,1) - Walmart.com
Corsair Vengeance Series 16GB 2x8GB DDR4 SODIMM 2666MHz CL18 Memory Kit For Notebook 16 GB 2 x 8GB DDR4 2666PC4 21300 DDR4 SDRAM 2666 MHz CL18 1.20 V Unbuffered 260 pin SoDIMM - Office Depot
New DDR4 16GB 2666Mhz PC4-21300 SODimm Laptop RAM Memory
Crucial 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model CT2K16G4SFRA32A Laptop Memory - Newegg.com