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Volatile
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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
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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
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Non-volatile
References