CONFIGURATION GUIDE
–
NEC Express5800/R120f-2E
NEC Corporation
Revision 6.0
– July 16, 2015
14
The logical memory capacity becomes three-fourths of physical capacity.
3.2.3
Memory Mirroring / Memory Lockstep Configuration
Available slots: 8 per processor
Product Name / Description
Part Number
16GB DDR4-2133 REG Memory Kit (2x8GB)
2 x 8GB Registered ECC DIMM, DDR4-2133(PC4-2133)
N8102-650
32GB DDR4-2133 REG Memory Kit (2x16GB)
2 x 16GB Registered ECC DIMM, DDR4-2133 (PC4-2133)
N8102-651
NOTE:
Minimum one memory kit per processor must be installed.
The logical memory capacity becomes a half of physical capacity on memory mirroring configuration.
3.3
Windows Server 2008 Standard
3.3.1
Independent Channel Configuration
Available slots: 1
Product Name / Description
Part Number
4GB DDR4-2133 REG Memory Kit (1x4GB)
1 x 4GB Registered ECC DIMM, DDR4-2133(PC4-2133)
N8102-644F
NOTE:
Only one Memory Kit can be installed regardless of the number of processors.
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 v3
RDIMM: 4, 8, 16 GB
LRDIMM: 32GB
-
1600 MHz
E5-2620 v3
E5-2630 v3
RDIMM: 4, 8, 16 GB
LRDIMM: 32GB
-
1866 MHz
E5-2650 v3
E5-2660 v3
E5-2680 v3
E5-2690 v3
RDIMM: 4, 8, 16 GB
LRDIMM: 32GB
-
2133 MHz
