SQL Server 2008 R2 CU2: what download ?

I've seen that the CU2 for SQL Server 2008 R2 is ready for download. But which version should I choose for my x64 system:

SQL_Server_2008_R2_Cumulative_Update_2_MD_Services

SQL_Server_2008_R2_Cumulative_Update_2_SNAC

SQL_Server_2008_R2_Cumulative_Update_2_SapBI

SQLServer2008R2_RTM_CU2_2072493_10_50_1720_x64

SQL_Server_2008_R2_Cumulative_Update_2_RSShrPnt

Pierrot