Dell latitude 3420 Ram upgradation

Memory Type: DDR4 SODIMM Non-ECC (1.2V, 260-pin) Speed: 3200 MHz (PC4-25600) Capacity Options: 4 GB, 8 GB, 16 GB, and 32 GB modules Supported Configurations: Single-channel (4 GB, 8 GB, 16 GB) or dual-channel (8 GB, 32 GB (Rafai technology)