NEC Express5800/R120g-2E Configuration Manual page 14

CONFIGURATION GUIDE
3.1.1 Independent Channel Configuration
Available slots: 8 per processor
Category
Registered DIMM
(RDIMM)
TSV Registered DIMM
(TSV RDIMM)
NOTE:

Minimum one memory kit per processor must be installed.

It is recommended to install memory kits in multiples of four (four identical DIMMs) for quad-channel symmetric memory
configurations to increase memory transfer speed.

When two processors are installed, balance the DIMMs across the two processors.

Mix configurations of RDIMM and TSV RDIMM are not supported.

At least 5 GB of memory is required for VMware ESXi
3.1.2 Memory Sparing Configuration
Available slots: 8 per processor
Product Name / Description
16GB DDR4-2400 REG Memory Kit (2x8GB)
2 x 8GB Registered ECC DIMM, DDR4-2400(PC4-2400)
32GB DDR4-2400 REG Memory Kit (2x16GB)
2 x 16GB Registered ECC DIMM, DDR4-2400(PC4-2400)
NOTE:

Minimum one memory kit per processor must be installed.

The configured memories must be identical.

The logical memory capacity becomes three-fourths of physical capacity.
3.1.3 Memory Mirroring / Memory Lockstep Configuration
Available slots: 8 per processor
Product Name / Description
16GB DDR4-2400 REG Memory Kit (2x8GB)
2 x 8GB Registered ECC DIMM, DDR4-2400(PC4-2400)
32GB DDR4-2400 REG Memory Kit (2x16GB)
2 x 16GB Registered ECC DIMM, DDR4-2400 (PC4-2400)
NOTE:

Minimum one memory kit per processor must be installed.

The logical memory capacity becomes a half of physical capacity on memory mirroring configuration.
NEC Corporation
–
NEC Express5800/R120g-2E
Product Name / Description
4GB DDR4-2400 REG Memory Kit (1x4GB)
1 x 4GB Registered ECC DIMM, DDR4-2400(PC4-2400)
8GB DDR4-2400 REG Memory Kit (1x8GB)
1 x 8GB Registered ECC DIMM, DDR4-2400(PC4-2400)
16GB DDR4-2400 REG Memory Kit (1x16GB)
1 x 16GB Registered ECC DIMM, DDR4-2400(PC4-2400)
32GB DDR4-2400 REG Memory Kit (1x32GB)
1 x 32GB Registered ECC DIMM, DDR4-2400(PC4-2400)
64GB DDR4-2400 REG Memory Kit (1x64GB)
1 x64GB TSV Registered ECC DIMM, DDR4-2400(PC4-2400)
Revision 7.0 – August, 2017
Part Number
N8102-686F
N8102-687F
N8102-688F
N8102-689F
N8102-690F
Part Number
N8102-693
N8102-694
Part Number
N8102-691
N8102-692
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