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for wordline boosting (). This contrasts with DDR3, which runs at 1.5 V and had lower voltage variants at 1.35 V introduced in 2013. DDR4 was introduced with a minimum transfer rate of 2133 MT/s, influenced by DDR3's nearing limit at similar speeds, and is expected to reach up to 4266 MT/s. Notable improvements in DDR4 include increased data transfer rates and enhanced efficiency. Early DDR4 samples, such as those from Samsung in January 2011, showed

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