Speed: DDR4 2666MHz (PC4-21300). 64GB (2 x 32GB) Kit PC4-21300 2666MHz SODIMM. 64GB kit consisting of (2) 32GB DDR4 Notebook modules that operates at speeds up to 2666 MT/s and has a CL19 latency. It is Unbuffered and is non-ECC.
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