SQL Server Number verses Versions

 

Looking at a SQL server Management Studio there is a version number but it does not match the SQL release, here is a short table to map them.

SQL Server 2008 R2 Original 10.50.1600.1
With SP1 10.50.2500

SQL Server 2008 Original 10.00.1600.22
SP1    10.00.2531
SP2    10.00.4000
SP3    10.00.5500

SQL Server 2005 Original 9.00.1399.06
SP1    9.00.2047
SP2    9.00.3042
SP3    9.00.4035
SP4    9.00.5000

SQL Server 2000 Original 8.00.194
SP1    8.00.384
SP2    8.00.532
SP3    8.00.760
SP4    8.00.2039

SQL Server 7.0  Original -  7.00.623
SP1    7.00.699
SP2    7.00.842
SP3    7.00.961
SP4    7.00.1063

If you want even more detailed information look here:

http://sqlserverbuilds.blogspot.com.au/