Samsung kept up the attention to mobile on Wednesday night with new additions to memory and an external Blu-ray drive. The Korean company confirmed that it had just started shipping four gigabit (512MB) LPDDR2 (low-power double data rate 2) RAM for devices like smartphones and tablets. The 30 nanometer technology doubles what had been possible before and either allows a slimmer, smaller phone in the same size or more memory without having to compromise the design. The new design also runs at about 1,066MHz, closer to notebook RAM, where most mobile RAM has to drop
