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There are two different types of RAM: DRAM (Dynamic Random Access Memory) and SRAM (Static Random Access Memory).

DRAM is more common. It needs to be refreshed about 1,000 times per second. It also supports access times of about 60 nanoseconds.

SRAM is more expensive. It does not need to refresh so it is faster than DRAM. It supports access times as low as 10 nanoseconds.

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15y ago

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