16GB DDR4 2133MHZ = PC4-17000 16GB x1. 16GB DDR4 2400MHZ = PC4-19200 16GB x1. 16GB DDR4 2666MHZ = PC4-21300 16GB x1. 16GB DDR4 3200MHZ = PC4-25600 16GB x1. 32GB=(2x16GB) DDR4 2133MHZ = PC4-17000 16GB x2.
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