SYSTEM CONFIGURATION GUIDE
–
NEC Express5800/B120f
NEC Corporation
Revision 2.3
– February 24, 2017
9
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
Maximum Available
Number of logical
Processors
Microsoft Windows Server 2008 Standard (x86)
Microsoft Windows Server 2008 Enterprise (x86)
32
1
32
Microsoft Windows Server 2008 R2 Standard (x64)
Microsoft Windows Server 2008 R2 Enterprise (x64)
256
1
72
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
640
1
72
Red Hat Enterprise Linux 6
32
32
Red Hat Enterprise Linux 6 (x86_64)
Red Hat Enterprise Linux 7
240
72
VMware ESXi 5.1
160
72
VMware ESXi 5.5
320
72
VMware ESXi 6.0
480
72
VMware ESXi 6.5
576
72
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
-
Windows Server 2016 : 512
3 Memory
3.1
Memory Configuration
Available slots: 6 per processor
Category
Product Name / Description
Part Number
Registered DIMM
(RDIMM)
4GB DDR4-2133 REG Memory Kit (1x4GB)
1 x 4GB Registered ECC DIMM, DDR4-2133(PC4-17000)
N8402-159F
8GB DDR4-2133 REG Memory Kit (1x8GB)
1 x 8GB Registered ECC DIMM, DDR4-2133(PC4-17000)
N8402-160F
16GB DDR4-2133 REG Memory Kit (1x16GB)
1 x 16GB Registered ECC DIMM, DDR4-2133(PC4-17000)
N8402-161F
Load Reduced DIMM
(LRDIMM)
32GB DDR4-2133 LR Memory Kit (1x32GB)
1 x 32GB Load Reduced ECC DIMM, DDR4-2133(PC4-17000)
N8402-162F
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.
