====== Volatile ====== 

  * [[DRAM]]
    * Asynchronous DRAM
    * Video DRAM (VRAM)
    * Window DRAM (WRAM)
    * Fast page mode (FPM) DRAM or FPRAM
    * CAS before RAS refresh
    * Extended data out (EDO) DRAM
    * Burst EDO (BEDO) DRAM
    * Multibank DRAM ([[MDRAM]])
    * Synchronous graphics RAM ([[SGRAM]])
    * Synchronous dynamic RAM ([[SDRAM]])
      * Single data rate (SDR)
      * Double data rate (DDR)
    * Direct Rambus DRAM (DRDRAM)
    * Pseudostatic RAM (PSRAM)
    * 1T DRAM
    * [[RLDRAM]]

  * [[SRAM]]

  * Experimental
    * T-RAM
====== Non-volatile ====== 

  * ROM
    * [[EPROM]]
    * [[EEPROM]]
      * [[flash:start|flash]]
    * [[rom:laser|Laser ROM]]
    * [[rom:mask|Mask ROM]]
    * [[PROM]]
  * [[FRAM]]
  * [[MRAM]]
  * [[PRAM]]
  * Experimental
    * [[CBRAM]]
    * [[SONOS]]
    * [[RRAM]]
    * [[racetrack|Racetrack memory]]
    * [[NRAM]]
    * [[Millipede]]


====== References ====== 
  - http://en.wikipedia.org/wiki/Random-access_memory
  - http://en.wikipedia.org/wiki/Dynamic_random_access_memory