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SYSTEM CONFIGURATION GUIDE
The maximum number of logical processors supported by OS
See the table below for the maximum number of logical processors that you can actually use on your
system.
Number of Logical Processors Supported by Operating Systems
Microsoft Windows Server 2008 Standard
Microsoft Windows Server 2008 Enterprise
Microsoft Windows Server 2008 Standard (x64)
Microsoft Windows Server 2008 Enterprise (x64)
Microsoft Windows Server 2008 R2 Standard (x64)
Microsoft Windows Server 2008 R2 Enterprise (x64)
Microsoft Windows Server 2012 Standard
Microsoft Windows Server 2012 Datacenter
Microsoft Windows Server 2012 R2 Standard
Microsoft Windows Server 2012 R2 Datacenter
Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 5 (EM64T)
Red Hat Enterprise Linux 6 (x86_64)
VMware ESXi 5.0 / 5.1
VMware ESXi 5.5
1
The maximum numbers of logical processors when using Hyper-V are below
- Windows Server 2008 : 24
- Windows Server 2008 R2 : 64
- Windows Server 2012, Windows Server 2012 R2 : 320
NEC Corporation
–
NEC Express5800/R120e-2M
Revision 3.0 – January 16, 2014
Maximum Available
Number of Logical
Processors
1
32
32
1
64
48
1
256
48
1
640
48
32
32
160
48
160
48
320
48
15
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