Forefront Threat Management Gateway 2010 Capacity Planning Tool

Finally the TMG 2010 capacity planning tool is released. The tool will allow you to calculate the WAN bandwidth and number of users a particular a hardware configuration will support, and can recommend server hardware based on the features, bandwidth and users your deployment needs to support.

The tool can be downloaded from here https://www.microsoft.com/downloads/details.aspx?FamilyID=01b2f7a5-8165-4ead-9693-994504f66449&displaylang=en