RAM

"RAM" redirects here. For other uses of the word, see Ram (disambiguation).

Example of writable volatile random-access memory: Synchronous Dynamic RAM modules, primarily used as main memory in personal computers,workstations, and servers.

Computer memory types

Volatile

DRAM (e.g., DDR SDRAM) SRAM In development T-RAM Z-RAM TTRAM Historical Delay line memory Selectron tube Williams tube

Non-volatile

ROM PROM EPROM EEPROM Flash memory Early stage FeRAM MRAM PRAM In development CBRAM SONOS RRAM Racetrack memory NRAM Millipede Historical Drum memory Magnetic core memory Plated wire memory Bubble memory Twistor memory

Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time.