Crucial RAM 8GB DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT8G4SFRA32A at Amazon.com
Amazon.com: PNY Performance 8GB DDR4 DRAM 3200MHz (PC4-25600) CL22 (Compatible with 2933MHz, 2666MHz, 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory Kit – MN8GSD43200-TB : Everything Else
A-Tech 8GB Memory RAM for Dell Latitude 3410 - DDR4 3200MHz PC4-25600 Non ECC SO-DIMM 1Rx8 1.2V - Single Laptop & Notebook Upgrade Module (Replacement for SNP6VDX7C/8G) at Amazon.com