What Is PC2100 RAM?

What Is PC2100 RAM? thumbnail
RAM modules differ depending on the speed of your motherboard.

RAM, or random access memory, is used by computers to run programs. RAM is not storage memory---that is ROM, or read only memory. RAM enables you to open and run software on your computer.

  1. DDR

    • PC-2100 is a type of DDR (double data rate) RAM. DDR RAM was first used in computers in 2002. DDR RAM runs at double the speed of the old SDR, or single data rate, RAM. Most computers now use DDR2 or DDR3 RAM because it is faster.

    PC-2100

    • PC-2100 is DDR RAM designed for use in computers with a 133MHz front-side bus. The 2100 refers to the module's maximum data transfer rate, which is 2100 MB per second or 2.1 GB per second.

    Availability

    • According to Crucial.com, a memory upgrade website, PC-2100 is no longer available. It has been replaced by PC-2700, which is backward compatible with both PC-2100 and PC-1600.

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