The 8GB RAM 1Rx8 PC4-2400T-SA1-11 has a bus speed of 2400 MHz. In this case, the "2400T" indicates that the RAM can transfer data at a rate of 2400 million data transfers per second. Samsung:8GB Rx8 PC4 - 2400T - SA1 - 11 / 8GB Rx8 PC4 - 2133P - SE0 - 10.
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