Microsoft SQL Server 2008 Service Pack 2(10.00.1600.22) right now we are using in sreego

You can write in Query window to find which version of SQL Server 2008 is running ?

SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY ('productlevel'), SERVERPROPERTY ('edition')
(or)
SELECT  @@Version
Microsoft SQL Server 2008 Service Pack 2 (SP2) is now available for download.

http://www.microsoft.com/download/en/details.aspx?id=12548

SQL Server 2008SQL Builds Version

Supported Link - To Check All version in SQL server 2008&2005&2000.

http://sqlsecurity.com/FAQs/SQLServerVersionDatabase/tabid/63/Default.aspx

Patch Level PSS Only Link Build Version 2008 R2 SP1 + Cumulative Update 3 GO 2,789 10.50.2789 2008 R2 SP1 + Cumulative Update 2 GO 2,772 10.50.2772 2008 R2 SP1 + Cumulative Update 1 GO 2,769 10.50.2769 2008 R2 + SP1 GO 2,500 10.50.2500 2008 R2 + SP1 CTP GO 2,418 10.50.2418 2008 R2 + Cumulative Update 9 GO 1,804 10.50.1804 2008 R2 + Cumulative Update 8 GO 1,797 10.50.1797 2008 R2 + Q2494086 GO 1,790 10.50.1790 2008 R2 + Cumulative Update 7 GO 1,777 10.50.1777 2008 R2 + Cumulative Update 6 GO 1,765 10.50.1765 2008 R2 + Cumulative Update 5 GO 1,753 10.50.1753 2008 R2 + Cumulative Update 4 GO 1,746 10.50.1746 2008 R2 + Cumulative Update 3 GO 1,734 10.50.1734 2008 R2 + Cumulative Update 2 GO 1,720 10.50.1720 2008 R2 + Cumulative Update 1 GO 1,702 10.50.1702 RTM N/A 1,600 10.50.1600.1 RC 0 N/A 1,450 10.50.1450.3

SQL Server 2008 Builds

Patch Level PSS Only Link Build Version 2008 + Service Pack 3 GO 5,500 10.00.5500 2008 SP2 + Cumulative Update 6 GO 4,321 10.00.4321 2008 SP2 + Cumulative Update 5 GO 4,316 10.00.4316 2008 SP2 + Q2494094 GO 4,311 10.00.4311 2008 + Cumulative Update 4 for SP2 GO 4,285 10.00.4285 2008 + Cumulative Update 3 for SP2 GO 4,279 10.00.4279 2008 + Cumulative Update 2 for SP2 GO 4,272 10.00.4272 2008 + Cumulative Update 1 for SP2 GO 4,266 10.00.4266 2008 SP2 + Q2494089 GO 4,064 10.00.4064 2008 + Service Pack 2 GO 4,000 10.00.4000 2008 + Cumulative Update 16 for SP1 GO 2,850 10.00.2850 2008 + Cumulative Update 15 for SP1 GO 2,847 10.00.2847 2008 SP1 + Q2494100 GO 2,841 10.00.2841 2008 + Cumulative Update 14 for SP1 GO 2,821 10.00.2821 2008 + Cumulative Update 13 for SP1 GO 2,816 10.00.2816 2008 + Cumulative Update 12 for SP1 GO 2,808 10.00.2808 2008 + Q2413738 GO 2,804 10.00.2804 2008 + Cumulative Update 10 for SP1 GO 2,799 10.00.2799 2008 + Cumulative Update 9 for SP1 GO 2,789 10.00.2789 2008 + Cumulative Update 8 for SP1 GO 2,775 10.00.2775 2008 + Cumulative Update 7 for SP1 GO 2,766 10.00.2766 2008 + Q978839 GO 2,760 10.00.2760 2008 SP1 + Q978791 GO 2,758 10.00.2758 2008 + Cumulative Update 6 for SP1 GO 2,757 10.00.2757 2008 + Cumulative Update 5 for SP1 GO 2,746 10.00.2746 2008 + Q976761 GO 2,740 10.00.2740 2008 + Cumulative Update 4 for SP1 GO 2,734 10.00.2734 2008 + Cumulative Update 3 for SP1 GO 2,723 10.00.2723 2008 + Cumulative Update 2 for SP1 GO 2,714 10.00.2714 2008 + Q970507 GO 2,712 10.00.2712 2008 + Cumulative Update 1 for SP1 GO 2,710 10.00.2710 2008 + Service Pack 1 GO 2,531 10.00.2531 2008 + Cumulative Update 10 GO 1,835 10.00.1835 2008 + Cumulative Update 9 GO 1,828 10.00.1828 2008 + Cumulative Update 8 GO 1,823 10.00.1823 2008 + Q973601 GO 1,818 10.00.1818 2008 + Cumulative Update 6 GO 1,812 10.00.1812 2008 + Cumulative Update 5 GO 1,806 10.00.1806 2008 + Cumulative Update 4 GO 1,798 10.00.1798 2008 + Cumulative Update 3 GO 1,787 10.00.1787 2008 + Q958186 (Cumulative HF2, available by request.) GO 1,779 10.00.1779 2008 + Q958611 GO 1,771 10.00.1771 2008 + Q956717 GO 1,763 10.00.1763 2008 + Q957387 GO 1,755 10.00.1755 2008 + Q956718 GO 1,750 10.00.1750 2008 RTM GO 1,600 10.00.1600.22 2008 February CTP GO 1,300 10.00.1300.13 2008 July CTP (requires Virtual Server 2005 R2) GO 1,049 10.00.1049.14 2008 June CTP GO 1,019 10.00.1019.17