Crucial 4GB 8GB 16GB RAM DDR4 2400 2666 3200 Mhz SO-DIMM 1.2V 260Pin per Laptop. DDR4 4 GB 2400 MHZ = PC4-19200 4 GB. DDR4 8 GB 2400 MHz = PC4-192000 8 GB. DDR4 8 GB 2666 MHz = PC4-21300 8 GB. DDR4 8 GB 3200 MHz = PC4-25600 8 GB.
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