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DDR SDRAM - Learn and compare before you buy memory

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Learn before you make a memory purchase.
Read up on the various types of DDR SDRAM.
DDRSDRAM.net provides clear information.

PC3200 DDR SDRAM chip

PC3200 DDR is the lowest transfer rate in DDR SDRAM chips. It has a frequency of 200MHz, and is also known as DDR400, a measurement of its front side bus (FSB).

Memory may also be noted by its dual in-line memory module, or DIMM. PC3200 DDR SDRAM exists as as a standard 182-pin DIMM, as well as in 172-pin MicroDIMM, and 200-pin SO-DIMM.

RAM must be compatible with the motherboard on the computer, however in some situations the chips may be "underclocked" or "overclocked" as a method of enabling them to work with the motherboard, or even with each other if the chips are different speeds. Aside from PC3200, other transfer speeds include:

• PC1600 DDR (100MHz)
• PC2100 DDR (133MHz)
• PC2700 DDR (166MHz)

Please note: a laptop will typically require memory designed specifically for it, while standard memory is generally made for use on a desktop PC.


Browse DDR SDRAM chips by memory amount:

• 128MB DDR
• 256MB DDR
• 512MB DDR
• 1GB DDR