Exchange 2007 Hardware Recommendations

KCTechNet
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I need to purchase hardware to implement Microsoft Exchange 2007.  We purchase all HP servers.  What are the hardware recommendations to support 500 users?  How much memory should I purchase, how many processors should I include?  Size of hard drives?  Is there a particular HP model?  Please advise.  Thank you.
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leakim971Multitechnician
Top Expert 2014

Commented:
Hello KCTechnet,

You may use this free tools from Microsoft to get answers : http://www.microsoft.com/downloads/details.aspx?FamilyId=E754F35D-59DB-4BC4-8386-E83E66A16FAD&displaylang=en

Regards.
Top Expert 2009

Commented:
Hi,

Take a look towards the bottom of this article that explains hardware recommendations

http://technet.microsoft.com/en-us/library/aa996719.aspx

Cheers,

Bob...
Expert of the Quarter 2009
Expert of the Year 2009

Commented:
Impossible to answer based on the information that you have provided.
The Exchange team have a calculator which may help.
http://msexchangeteam.com/archive/2007/01/15/432207.aspx

HP have their own sizing tool.
http://h20338.www2.hp.com/ActiveAnswers/us/en/sizers/microsoft-exchange-server.html

Those can give you a starting point.
However when it comes to sizing Exchange servers there are a lot of factors that have to be taken in to account, and it isn't really something that can be done on a forum like this. I would spend an entire day with a client doing the design alone, and with all due respect, I am not going to give you $1000 of consultancy for free.

Simon.
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Commented:
... I'ld spend the 1000,- bucks on memory - not a consultant who tells you you need a lot of ram ..

since it's 64bit anyway I recommend at least 16GB Memory, invest in a good raid controller and drives for a raid1 or 10 configuration. Avoid raid 5 if possible. Use seperat volumes for C: and you database and log files. Since you are very flexible with storage groups in Exc07 you dont need to worry to much about your drive size. Bigger driver= slower drives [ceteris paribus]

regards
Robert
Commented:
take this one: HP ProLiant DL380 G6 [you dont need 2 CPUs]
http://h18004.www1.hp.com/products/quickspecs/DS_00147/DS_00147.pdf

You can use thsi server as ESX if you plan to virtualize later ...
If you dont have big budget take the G5. Dont go SATA ...
Expert of the Quarter 2009
Expert of the Year 2009

Commented:
rblasey - was that a pop at me ?
There is an awful lot more to Exchange design than just throwing RAM at the problem.

Simon.

Commented:
yes it was .. I couldn't help it - since this is a forum designed to answer questions ..  but it's not meant dead serious!!  Since you put a price tag of 1000$ up I felt challenged.

On the other hand theres not much to size except storage memory and cpu - Suppose 2x 1gig networking is enough and cpu not the bottleneck you could throw the money at memory an storage. What his 500 Users really do with their mail system - who knows...

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