Simplified diagram of a rotating drum random access memory unit, showing the read-erase-write process as the drum spins. This particular unit was borrowed from the System Source museum, with the ...

Simplified diagram of a rotating drum random access memory unit, showing the read-erase-write process as the drum spins. This particular unit was borrowed from the System Source museum, with the ...

There's much more to a stick of Random Access Memory than its capacity, ... so a stick of RAM labeled DDR3-1333 PC3200 offers a clock speed of 666 MHz and a transfer rate of 3,200 MB/s.