Memory Module Types

SRAM.....Static Memory (Faster than DRAM, but much more expensive)
DRAM.....Dynamic Random Access Memory (Requires Refresh)
....FPM:....................Fast Page Mode: (asynchronous) Obsolete 1990, faster than normal DRAM, used in 386/486 computers
....EDO:....................Extended Data Out: (asynchronous) A superset of FPM, just faster than FPM, replaced by BEDO.
....BEDO:.................Burst EDO; (asynchronous) faster than EDO, replaced by SDRAM
....SDRAM:..............Synchronous DRAM (Random Access Memory)
.........PC66 (SDRAM); Clock Speed: 66MHz, Data Rate: 66MHz, Through-put 528MB/s
.........PC100 (SDRAM); Clock Speed: 100MHz, Data Rate: 100MHz, Through-put 800MB/s
.........PC133 (SDRAM); Clock Speed: 133MHz, Data Rate: 133MHz, Through-put 1100MB/s
.........PC150 (SDRAM); Clock Speed: 150MHz, Data Rate: 150MHz, Through-put 1200MB/s
......ESDRAM:...........Enhanced SDRAM. A 16Mbit Low latency, high bandwidth, drop-in replacement for SDRAM.
......DDR SDRAM:....Double Data Rate SDRAM (Dual Edge 'Clock' Rate, 2.5v signaling)
.........PC1600 (DDR-200 SDRAM); Clock Speed: 100MHz, Data Rate: 200MHz, Through-put 1600MB/s
.........PC2100 (DDR-266 SDRAM); Clock Speed: 133MHz, Data Rate: 266MHz, Through-put 2100MB/s
.........PC2400 (DDR-300 SDRAM); Clock Speed: 150MHz, Data Rate: 300MHz, Through-put 2400MB/s
.........PC2700 (DDR-333 SDRAM); Clock Speed: 166MHz, Data Rate: 333MHz, Through-put 2600MB/s
.........PC3000 (DDR-366 SDRAM); Clock Speed: 183MHz, Data Rate: 366MHz, Through-put 2900MB/s
.........PC3200 (DDR-400 SDRAM); Clock Speed: 200MHz, Data Rate: 400MHz, Through-put 3200MB/s
......DDR2 SDRAM:....Double Data Rate SDRAM II (Quad Edge 'Clock' Rate, 1.8v signaling), Second Generation
.........PC2-3200 (DDR2-400 SDRAM); Clock Speed: 100MHz, Data Rate: 400MHz, Through-put 3200MB/s
.........PC2-4300 (DDR2-533 SDRAM); Clock Speed: 133MHz, Data Rate: 532MHz, Through-put 4300MB/s
.........PC2-5300 (DDR2-667 SDRAM); Clock Speed: 167MHz, Data Rate: 667MHz, Through-put 5300MB/s
.........PC2-5400 (DDR2-675 SDRAM); Clock Speed: xxMHz, Data Rate: 675MHz, Through-put 5400MB/s
.........PC2-6400 (DDR2-800 SDRAM); Clock Speed: 200MHz, Data Rate: 800MHz, Through-put 6400MB/s
......DDR3 SDRAM:....Double Data Rate SDRAM III (Octal Edge 'Clock' Rate, 1.5v signaling), Third Generation
.........PC3-6400 (DDR3-800 SDRAM); Clock Speed: 100MHz, Data Rate: 800MHz, Through-put 6.40GB/s
.........PC3-8500 (DDR3-1066 SDRAM); Clock Speed: 133MHz, Data Rate: 1066MHz, Through-put 8.53GB/s
.........PC3-10600 (DDR3-1333 SDRAM); Clock Speed: 166MHz, Data Rate: 1333MHz, Through-put 10.67GB/s
.........PC3-12800 (DDR3-1600 SDRAM); Clock Speed: 200MHz, Data Rate: 1600MHz, Through-put 12.80GB/s
......DDR4 SDRAM:....Double Data Rate SDRAM IIII [Planned released 2011]
......GDDR SDRAM:....Graphics Double Data Rate SDRAM
......MDDR SDRAM:....Mobile Double Data Rate SDRAM
......RDRAM:...........Rambus DRAM [RIMM]. Uses 400MHz clock doubling (800MHz), but only with 16 bit buses, except as noted
.........PC600 (RDRAM); Clock Speed: 300MHz, Data Rate: 600MHz, Through-put 1200MB/s
.........PC700 (RDRAM); Clock Speed: 356MHz, Data Rate: 712MHz, Through-put xxMB/s
.........PC800 (RDRAM); Clock Speed: 400MHz, Data Rate: 800MHz, Through-put 1600MB/s
.........PC1066 (RDRAM); Clock Speed: 533MHz, Data Rate: 1066MHz, Through-put 2132MB/s
.........PC1200 (RDRAM); Clock Speed: 600MHz, Data Rate: 1200MHz, Through-put xxxMB/s
.........PC3200 (RDRAM); Clock Speed: 400MHz, Data Rate: 800MHz, Through-put xxxMB/s, 32 bit
.........PC4200 (RDRAM); Clock Speed: 533MHz, Data Rate: 1066MHz, Through-put xxxMB/s, 32 bit
.........PC4800 (RDRAM); Clock Speed: 600MHz, Data Rate: 1200MHz, Through-put xxxMB/s, 32 bit
......RLDRAM:............Reduced Latency DRAM (Random Access Memory), 400 - 533MHz; faster then FCRAM
......SLDRAM:............Synchronous-Link DRAM (Random Access Memory); Dual Edge 'Clock' Rate
......FRAM:.................Ferroelectric RAM (non-volatile RAM) (Random Access Memory)
......SGRAM:..............Synchronous Graphic RAM (Random Access Memory)
......VRAM:................Video RAM (Dual Ported) (Random Access Memory)
......NVRAM:.............Non-Volatile RAM (Random Access Memory)
......PBRAM:..............Pipelined Burst RAM (Random Access Memory)
......FB-DIMM...........Fully-Buffered DIMM [utilizes JEDEC-standard DDR2 SDRAM]
......VLP-DIMM...........Very Low Profile DIMMs [Server DDR/DDR2 in a new form factor]

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