40 / 45 nanosecond Latency
Question:

I am glad i came across your website. You seem to have the best prices for this platform of RDRAM. However I don't understand what your 45 or 40 stands for that comes after the pc800. And the board i am upgrading doens't request that # in any documents. I'm assuming that it's just a # that you use for your items. Please get back to me asap since i'd like to complete this job.
Answer:


The 40 / 45 represent the latency of the memory measured in
nanoseconds. In other words, the lower the number - the faster the
memory. Keeping in mind that RDRAM based computers can only make use
of the speed they were designed for. So while you can install PC800- 40
memory in a natively PC800- 45 machine, the memory will continue to
operate at PC800- 45 making the extra cost useless.

If you would like, give me the make / model of your computer and I can let you know which your computer needs.

Please let me know if you have any other questions!
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