NEC Express5800/R120g-2E - Maximum Memory Speed; Maximum Available Memory

CONFIGURATION GUIDE – NEC Express5800/R120g-2E
NEC Corporation Revision 7.0 – August, 2017 15
Maximum Memory Speed
See the table below for the actual maximum memory transfer speed in Independent Channel / Memory Sparing Configuration.
DDR4 memory speed depends on the type of DIMMs, the native memory bus speed of the memory controller and memory
configuration. All memory buses operate at the clock frequency of the DIMM with the lowest frequency.
Processor Type
Populated DIMMs
# of DIMMs per processor
DIMM Speed
E5-2603 v4
E5-2609 v4
RDIMM: 4, 8, 16, 32 GB
-
1866 MHz
E5-2620 v4
E5-2623 v4
E5-2630 v4
RDIMM: 4, 8, 16, 32 GB
-
2133 MHz
E5-2650 v4
E5-2660 v4
E5-2690 v4
RDIMM: 4, 8, 16, 32 GB
-
2400 MHz
Maximum Available Memory
See the table below for the maximum memory size that you can actually use on your system.
Operating Systems
Maximum Memory Size
Supported by Operating
Systems
Maximum Available Memory
Microsoft Windows Server 2008 R2 Standard
1
32 GB
32 GB
Microsoft Windows Server 2008 R2 Enterprise
1
2 TB
1 TB
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
4 TB
1 TB
Microsoft Windows Server 2016 Standard
1
Microsoft Windows Server 2016 Datacenter
1
24 TB
1 TB
Red Hat Enterprise Linux 6 (x86_64)
Red Hat Enterprise Linux 7
6 TB
1 TB
VMware ESXi 5.5
2
4 TB
1 TB
VMware ESXi 6.0
3
6 TB
1 TB
VMware ESXi 6.5
4
12 TB
1 TB
1
The maximum available memory size of Hyper-V systems is below:
- Windows Server 2008 R2 Standard : 32 GB
- Windows Server 2008 R2 Enterprise : 1 TB
- Windows Server 2012, Windows Server 2012 R2 : 4 TB
- Windows Server 2016: 24 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.
4
Up to 6TB of main memory is available to each virtual machine.