DDR4 4GB/8GB/16GB 2400MHz / PC4-19200 CL 17. DDR4 4GB/8GB/16GB 2666MHz / PC4-21300 CL 19. DDR4 8GB/16GB 3200MHz / PC4-25600 CL 22. Frequency: 2400MHz / 2666MHz / 3200MHz. Before you order, make sure the RAM is compatible with your motherboard/CPU.
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