Dimm; Maximum Supported Memory Size - NEC Express5800 Series User Manual

Chapter 2 Preparations
1.8

DIMM

Install a Dual Inline Memory Module (DIMM) to a DIMM socket on the motherboard in the server.
The motherboard provides 16 sockets to install DIMMs.
1.8.1

Maximum supported memory size

The maximum available memory size on the server depends on the architecture and OS specs.
Maximum memory sizes
Microsoft Windows Server 2008 R2 Standard *1
Microsoft Windows Server 2008 R2 Enterprise *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
VMware ESXi 5.5 *2
VMware ESXi 6.0 *3
*1: Shown below is the maximum memory size when Hyper-V is used:
- Windows Server 2008 R2 Standard : 32GB
- Windows Server 2008 R2 Enterprise : 1TB
- Windows Server 2012 ,Windows Server 2012 R2: 4TB
*2: Up to 1 TB on virtual machine.
*3: Available memory capacity for virtual machine is 4 TB at the maximum.
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Important  Avoid static electricity to work with the procedure below. For details, see
Chapter 1 (1.8 Anti-static Measures) in Safety Precautions and Regulatory
Notices.
 Use only the specified DIMMs. Installing a DIMM from a third party may
damage not only the DIMM but the motherboard. You will be charged to
repair failures or damages caused by the use of such products even within
the warranty period.
Tips
Up to 1 TB (64 GB x 16) can be installed in 2-CPU configuration. Up to 512 GB (64
GB x8) can be installed in 1-CPU configuration. No DIMMs are factory installed in
standard configuration.
Maximum memory
OS
32GB
2TB
4TB
4TB
6TB
Express5800/R120g-1E User's Guide
Maximum memory size supported
size supported on
each OS
32GB
1TB
1TB
1TB
1TB
1. Installing Internal Options
on the server