Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Release date | RTM build | Current version | Status support | License | Based on (kernel) | Supported architectures | OS type |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Windows NT 3.1 | 1993-07-27 | 528 | 3.10.528 SP3 (1994-11-10) | Unsupported (2001-12-31) | Closed source | NT 3.1 | IA-32 , DEC Alpha , MIPS | Workstation, Server |
| Windows NT 3.5 | 1994-09-21 | 807 | 3.50.807 SP3 (1995-06-21) | Unsupported (2001-12-31) | Closed source | NT 3.5 | IA-32 , DEC Alpha, MIPS | Workstation, Server |
| Windows NT 3.51 | 1995-05-30 | 1057 | 3.51.1057 SP5 (1996-09-19) | Unsupported (2001-12-31) | Closed source | NT 3.51 | IA-32 , DEC Alpha, MIPS, PowerPC | Workstation, Server |
| Windows NT 4.0 | 1996-08-24 | 1381 | 4.00.1381 SP6a (1999-11-30) | Unsupported (2004-12-31) | Closed source | NT 4.0 | IA-32 , DEC Alpha, MIPS, PowerPC | Workstation, Server, Embedded PCs |
| Windows 2000 | 2000-02-17 | 2195 | 5.0 SP4 Rollup 1 v2 (2005-09-13) | Unsupported (2010-07-13) | Shared source | NT 5.0 | IA-32 , IA-64 | Desktop, Workstation, Server, Embedded PCs |
| Windows XP | 2001-10-25 | 2600 | 5.1.2600 SP3 (2008-04-21) | Extended Support Period (2014-04-08) | Shared source | NT 5.1; NT 5.2 ( 64-bit 2003 and x64) | IA-32 , IA-64, x86-64 | Desktop, Workstation, Embedded PCs |
| Windows Server 2003 | 2003-04-24 | 3790 | 5.2.3790 SP2 (2007-03-13) | Supported | Shared source | NT 5.2 | IA-32 , IA-64, x86-64 | Server, Network Appliance, Embedded PCs, HPC |
| Windows Fundamentals for Legacy PCs | 2006-07-08 | 2600 | RTM (2006-07-08) | Supported | Shared source | NT 5.1 | IA-32 | Desktop |
| Windows Vista | 2006-11-08 | 6000 (SP2: 6002) | 6.0 SP2 (2009-04-28) | Supported | Closed source , Shared source | NT 6.0 | IA-32 , x86-64 | Desktop, Workstation |
| Windows Server 2008 | 2008-02-27 | 6001 (SP2: 6002) | 6.0 SP2 (2008-02-27) | Supported | Closed source , Shared source | NT 6.0 | IA-32 , IA-64, x86-64 | Server |
| Windows Home Server | 2007-06-16 | 3790 | 5.2 | Supported | Closed source | NT 5.2 | IA-32 , x86-64 | Server |
| Windows 7 | 2009-10-22 | 7600 (SP1: 7601) | 6.1 | Supported | Closed source , Shared source | NT 6.1 | IA-32 , x86-64 | Desktop, Workstation, Multi-Touch |
| Windows Server 2008 R2 | 2009-10-22 | 7600 (SP1: 7601) | 6.1 | Supported | Closed source , Shared source | NT 6.1 | IA-64, x86-64 | Server |
| Windows Home Server 2011 | 2011-04-05 | 8400 | 6.1 | Supported | Closed source | NT 6.1 | x86-64 | Server |
| Windows Server 2012 | 2012-9-4 | 9200 | 6.2 | Supported | Closed source , Shared source | NT 6.2 | x86-64 | Server |
| Windows 8 | 2012-10-26 | 9200 | 6.2 | Supported | Closed source , Shared source | NT 6.2 | IA-32 , x86-64, ARM architecture (ARMv7) | Desktop, Workstation, Multitouch |
Question:
What is the RTM build of the Windows Home Server 2011?
Answer:
8400.0