Memory with the acquisition of direct dynamic at the same time, another type of DRAM is its speed synchronized with the CPU. This synchronicity to SDRAM, this ability allows commands to quickly read and write ( the concept of Pipeline ). Top speed in here, this allows up to Rome, while accepting and implementing a command at the same time to process other orders, pay.

four different models of SDRAM available are: SDR, etc., DDR, etc. DDR2, etc. DDR3