NCachePoint lets you migrate all your BLOBs out of your database and into a more suitable storage. By doing this, you reduce the database size by as much as 90% and also reduce the traffic to the database. This dramatically improves your database performance which now only has to deal with non-BLOB structured relational data. Here are some benefits of externalizing BLOBs out of the database.
There are many reasons why you should externalize BLOBs instead of keeping them in the database. The bottom line is that relational databases were designed to keep structured relational data and therefore BLOBs really don’t belong there. Here are some reasons why you should externalize BLOBs:
NCachePoint implements an External BLOB Storage (EBS) provider for SharePoint. EBS provider coordinates get and put operations for the BLOB store. Additionally, EBS Provider ensures that the SQL Server content database contains metadata references to their associated BLOB streams in the external BLOB store.

NCachePoint installs an EBS provider on all Web Front End (WFE) servers in a SharePoint farm. This allows the SharePoint interface to recognize document open and save commands and initiate the EBS provider's redirection calls.
NCachePoint provides a rich set of features to let you externalize BLOBs out of SharePoint database. These are: