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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 (x86)
Microsoft Windows Server 2008 Enterprise (x86)
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
Microsoft Windows Server 2016 Standard
Microsoft Windows Server 2016 Datacenter
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 6 (x86_64)
Red Hat Enterprise Linux 7
VMware ESXi 5.1
VMware ESXi 5.5
VMware ESXi 6.0
VMware ESXi 6.5
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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
- Windows Server 2016 : 512
3 Memory
3.1
Memory Configuration
Available slots: 6 per processor
Category
Registered DIMM
(RDIMM)
Load Reduced DIMM
(LRDIMM)
NOTE:
Mix configurations of RDIMM and LRDIMM are not supported.
Minimum one memory kit per processor must be installed into the system running with OS other than
Windows Server 2008 Standard operating system.
One 4GB memory kit can be installed into the system running with Windows Server 2008 Standard
operating system regardless of number of processors installed.
It is recommended to install four identical memory kits for quad-channel symmetric memory
configurations to increase memory transfer speed.
At least 5 GB of memory is required for VMware ESXi 5.5 / 6.0 / 6.5.
NEC Corporation
–
NEC Express5800/B120f
Product Name / Description
4GB DDR4-2133 REG Memory Kit (1x4GB)
1 x 4GB Registered ECC DIMM, DDR4-2133(PC4-17000)
8GB DDR4-2133 REG Memory Kit (1x8GB)
1 x 8GB Registered ECC DIMM, DDR4-2133(PC4-17000)
16GB DDR4-2133 REG Memory Kit (1x16GB)
1 x 16GB Registered ECC DIMM, DDR4-2133(PC4-17000)
32GB DDR4-2133 LR Memory Kit (1x32GB)
1 x 32GB Load Reduced ECC DIMM, DDR4-2133(PC4-17000)
Revision 2.3 – February 24, 2017
1
32
1
256
1
640
32
240
160
320
480
576
Maximum Available
Number of logical
Processors
32
72
72
32
72
72
72
72
72
Part Number
N8402-159F
N8402-160F
N8402-161F
N8402-162F
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