Analysis of information sources in references of the Wikipedia article "Double data rate" in Portuguese language version.
DRAM connects to the microprocessor over a parallel bus. In 2015, the present standard is DDR3, a third generation of double-data rate memory bus operating at 1.5 V. Typical motherboards now come with two DDR3 channels so they can simultaneously access two banks of memory modules. DDR4 is ... operating at 1.2V ...