Exchange 2010 Service Pack 1 SP1 download location

Exchange 2010 SP1 can be downloaded via this link.
Exchange 2010 SP1
You can also check your version of Exchange with this table:
Exchange Server and Update Rollups Builds Numbers
This Wiki page lists the Exchange Server versions and Update Rollups with release dates and KB respectively.
Exchange Server
Product name Build number Date
Microsoft Exchange Server 2003 6.5.6944 6/30/2003
Microsoft Exchange Server 2003 SP1 6.5.7226 5/25/2004
Microsoft Exchange Server 2003 SP2 6.5.7638 10/19/2005
Microsoft Exchange Server 2007 8.0.685.24 12/9/2006
Microsoft Exchange Server 2007 8.0.685.25 12/9/2006
Microsoft Exchange Server 2007 SP1 8.1.240.6 11/29/2007
Microsoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009
Microsoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010
Microsoft Exchange Server 2010 14.0.639.21 11/9/2009
Microsoft Exchange Server 2010 SP1
14.1.218.15 8/24/2010
Exchange Server 2007 Service Pack 1
Product name Build number Date KB
Microsoft Exchange Server Exchange 2007 SP1 8.1.240.6 11/29/2007
Update Rollup 1 for Exchange Server 2007 Service Pack 1 8.1.263.1 2/28/2008 KB945684
Update Rollup 2 for Exchange Server 2007 Service Pack 1 8.1.278.2 5/8/2008 KB948016
Update Rollup 3 for Exchange Server 2007 Service Pack 1 8.1.291.2 7/8/2008 KB949870
Update Rollup 4 for Exchange Server 2007 Service Pack 1 8.1.311.3 10/7/2008 KB952580
Update Rollup 5 for Exchange Server 2007 Service Pack 1 8.1.336.1 11/20/2008 KB953467
Update Rollup 6 for Exchange Server 2007 Service Pack 1 8.1.340.1 2/10/2009 KB959241
Update Rollup 7 for Exchange Server 2007 Service Pack 1 8.1.359.2 3/18/2009 KB960384
Update Rollup 8 for Exchange Server 2007 Service Pack 1 8.1.375.2 5/19/2009 KB968012
Update Rollup 9 for Exchange Server 2007 Service Pack 1 8.1.393.1 7/17/2009 KB970162
Update Rollup 10 for Exchange Server 2007 Service Pack 1 8.1.436.0 4/9/2010 KB981407
Exchange Server 2007 Service Pack 2
Product name Build number Date KB
Microsoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009
Update Rollup 1 for Exchange Server 2007 Service Pack 2 8.2.217.3 11/19/2009 KB971534
Update Rollup 2 for Exchange Server 2007 Service Pack 2 8.2.234.1 1/22/2010 KB972076
Update Rollup 3 for Exchange Server 2007 Service Pack 2 8.2.247.2 3/17/2010 KB979784
Update Rollup 4 for Exchange Server 2007 Service Pack 2 8.2.254.0 4/9/2010 KB981383
Exchange Server 2007 Service Pack 3
Product name Build number Date KB
Microsoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010
Update Rollup 1 for Exchange Server 2007 Service Pack 3 8.3.106.2 9/9/2010 KB2279665
Exchange Server 2010
Product name Build number Date KB
Microsoft Exchange Server 2010 RTM 14.0.639.21 11/9/2009
Update Rollup 1 for Exchange Server 2010 14.0.682.1 12/9/2009 KB976573
Update Rollup 2 for Exchange Server 2010 14.0.689.0 3/4/2010 KB979611
Update Rollup 3 for Exchange Server 2010 14.0.694.0 4/9/2010 KB981401
Update Rollup 4 for Exchange Server 2010 14.0.702.1 6/17/2010 KB982639
Exchange Server 2010 Service Pack 1
Product name Build number Date KB
Microsoft Exchange Server 2010 SP1
14.1.218.15 8/24/2010
Update Rollup 1 for Exchange Server 2010 SP1 14.1.255.2 10/4/2010 KB2407028
Last Table update at 25.08.2010