Maximum Supported Memory Size; Installation Order - NEC Express5800 Series User Manual

Chapter 2 Preparations

Maximum supported memory size

The maximum available memory size on the server depends on the architecture (x86 architecture) and OS
specs.
A list of maximum memory sizes
Windows Server 2019 Datacenter
Windows Server 2019 Standard
Windows Server 2016 Datacenter
Windows Server 2016 Standard
Windows Server 2019 Essentials
Windows Server 2016 Essentials
RedHat Enterprise Linux 7
VMware ESXi 6.5 Update1 later
VMware ESXi 6.7 later

Installation order

Install DIMMs one by one in order of increasing memory size into slots in the order of DIMM#1, DIMM#2,
DIMM#3, and DIMM#4. If you want to run the server in 2Way Interleave mode, observe the following
installation rules:

Install DIMMs in pairs

The two DIMMs installed together must be of the same specifications and memory size.

Install the pairs as DIMM#1 and DIMM#2, or DIMM#3 and DIMM#4.
Installation examples
Example 2Way Interleave
1 Available
2 Available
3 Not available
4 Not available
40
The maximum memory size
OS
24TB
64GB
12TB
12TB
16TB
DIMM#1
8 GB DIMM 8 GB DIMM
16 GB DIMM 16 GB DIMM
8 GB DIMM 8 GB DIMM
16 GB DIMM 16 GB DIMM
Express5800/T110j-S, T110j-S (2nd-Gen) User's Guide
1. Installing Internal Optional Devices
supported on each OS
64GB
64GB
Up to 4TB of the main memory is
available to each virtual machine.
64GB
Up to 6TB of the main memory is
available to each virtual machine.
DIMM#2 DIMM#3
Not installed
8 GB DIMM
8 GB DIMM
16 GB DIMM
The maximum memory size
supported on the server
DIMM#4
Not installed
8 GB DIMM
Not installed
8 GB DIMM