Maximum Available Memory - NEC Express5800 System Configuration Manual

SYSTEM CONFIGURATION GUIDE

Maximum Available Memory

See the table below for the maximum memory size that you can actually use on your system.
The maximum available memory is less than the maximum physical memory supported by your system
because some chipsets require PCI resource space of about 750MB. PCI resource requirements vary
depending on the type and the number of PCI cards you are using.
Maximum Memory Size Supported by Operating Systems
Microsoft Windows Server 2008 R2 Standard
Microsoft Windows Server 2008 R2 Enterprise
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 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
1
The maximum available memory size of Hyper-V systems are below:
- Windows Server 2008 R2 Standard : 32 GB
- Windows Server 2008 R2 Enterprise : 1 TB
- Windows Server 2012, Windows Server 2012 R2: 4 TB
2
Up to 1TB of main memory is available to each virtual machine.
3
Up to 4TB of main memory is available to each virtual machine.
NEC Corporation
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NEC Express5800/E120f-M
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Revision 8.0 – July 16, 2015
1
32 GB
1
2 TB
1
4 TB
1
1
1
16 GB
6 TB
2 TB
4 TB
6 TB
Maximum Available Memory
32 GB
512GB
512GB
16 GB
512GB
512GB
512GB
512GB
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