What type of server hardware needed for windows server environment?

Straight to the point:



A company with around 50 Computers needs to implement Win Server 2008 for the following purposes:

- Active Directory

- Forefront as a firewall and proxy server

- Sharepoint services



The question is:



What type of server hardware we need and the minimum required configuration (specs) needed.





Thank youWhat type of server hardware needed for windows server environment?
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