
CONFIGURATION GUIDE – NEC Express5800/R120d-2M
NEC Corporation Revision 1.0, March 2012 13
3 Memory
3.1 Memory Configuration
Refer to the section in accordance with your memory configuration:
Independent Channel: Refer to 3.1.1
Memory Sparing Configuration: Refer to 3.1.2
Memory Mirroring / Memory Lockstep Configuration: Refer to 3.1.3
3.1.1 Independent Channel Configuration
Available slots: 12 per processor
Product Name / Description
8GB DDR3-1333 UNB Memory Kit
2x 4GB Unbuffered ECC DIMM, DDR3L-1333(PC3L-10600)
NOTE:
- Up to four sets (eight slots) per processor can be installed
- This DIMM doesn’t support x4 SDDC.
4GB DDR3-1600 REG Memory Kit
2x 2GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
NOTE:
- This DIMM doesn’t support x4 SDDC.
8GB DDR3-1600 REG Memory Kit
2x 4GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
16GB DDR3-1600 REG Memory Kit
2x 8GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
32GB DDR3-1600 REG Memory Kit
2x 16GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
Load Reduced
DIMM (LRDIMM)
64GB DDR3-1333 LR Memory Kit
2x 32GB Load Reduced ECC DIMM, DDR3L-1333(PC3L-10600)
NOTE:
Minimum one memory kit per processor must be installed.
The configured memories must be identical.
It is recommended to install memory kits in multiples of two (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 UDIMM/RDIMM/LRDIMM are not supported
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