SharePoint Limits

These are some limits found in the 2007 version of SharePoint, specifically Windows SharePoint Services 3.0.   Site object Guidelines for acceptable performance Notes Scope of impact when performance degrades Site collection 50,000 per content database Total farm throughput degrades as the number of site collections increases. Farm Site collection 150,000 per Web application This limit is theoretical, and is dependent largely upon: Performance of the database server on which the configuration database resides. Performance of the Web servers in the farm. Network bandwidth between the Web servers and the database server. This is not a hard limit, and assumes a single database server. Your environment may not be able to host this many site collections per Web application. Distributing content databases across additional database servers can increase the effective limit of the number of site collections per Web application. You should perform testing to determine the actual effective limit [...]