Way to calculate how much memory you would require for 1TB of data.

Posted on 2006-04-27
Last Modified: 2010-04-18
Is there a calculator I can use to work out how much RAM I should purchase for a new server with 1TB of disk space.
Question by:joycehbrand
    LVL 30

    Expert Comment

    The 1TB of disk space has little to do with how much RAM you should get.

    It is more dependant on how many users you have on your network, and what applications your server will be running and what roles your server will be playing.

    You should get atleast 1GB of RAM, if that turns out to be too-much, then you're future-proof for a few years.

    After installing the 1GB RAM, monitor the usage (Run> perfmon.exe) as outlined here:

    If it turns out to be too little, add more RAM as required.

    Author Comment

    Its a straight forward file server with 200 users.  I thought the RAM requirements should be based on how many files would be open at any one time otherwise there could be excessive paging to disks.
    LVL 12

    Accepted Solution

    More than 2 GB RAM in a plain-and-simple fileserver with no other roles (member server, no DNS or other applications) is a waste of money. 1 GB should also suffice.

    Instead of more RAM, it's more important to get a really good drive controller with 128 or 256 MB of battery-backed cache.

    If there is a database-driven backup application on the server (like Veritas' MSDE database) then I recommend 1,5 GB.

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