
CONFIGURATION GUIDE – NEC Express5800/A2040b, A2020b, A2010b, A1040b
NEC Corporation Revision 8.0 – April 2015
Maximum Memory Capacity
Due to x86 architecture and the specifications of supported OS, the available memory capacity changes, as
the following list shows:
Maximum Memory Capacity supported by each OS
Max. Memory Capacity
for this Server
Microsoft Windows Server 2008 R2 SP1 Standard
1
Microsoft Windows Server 2008 R2 SP1 Enterprise
1
Microsoft Windows Server 2008 R2 SP1 Datacenter
1
Microsoft Windows Server 2012 Standard
1
Microsoft Windows Server 2012 Datacenter
1
Microsoft Windows Server 2012 R2 Standard
1
Microsoft Windows Server 2012 R2 Datacenter
1
Red Hat Enterprise Linux 6 (x86_64)
Oracle Linux6/UEK R2 (x86_64)
1
The Maximum Memory Capacity when using Hyper-V:
Windows Server 2008 R2 SP1 Standard: 32GB
Windows Server 2008 R2 SP1 Enterprise/Datacenter: 1TB
Windows Server 2012, Windows Server 2012 R2: 4TB
2
The Maximum Memory Capacity for virtual machine: 1TB
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