I need help to define server spec for .net app with considerations noted below: - 250 to 300 users with 50+ concurrent usage - Its a knowledge portal with discussions/forums/blogs and search features I am planning the below spec and any help to review will be helpful 1 App server and 1 DB server APP Server Windows 2008 R2 IIS 16 GB RAM 500 GB HDD 4 core processor DB APP Windows 2008 R2 SQL Server 2008 R2 16 GB RAM 1 TB HDD 4 Core processor Thanks