minimum requirements for microsoft sql server
The minimum processing requirement is a 1.0GHz CPU for a 32-bit x86 implementation and a 1.4GHz CPU for a 64-bit x64 implementation. Microsoft's recommended minimum processor speed is 2.0GHz. The minimum memory requirements for SQL Server 2012 are also quite low. The low-end SQL Server 2012 Express edition requires a minimum of 512MB of RAM, whereas the other editions require a minimum of 1GB.