CONFIGURATION GUIDE
–
NEC Express5800/R120d-2E Storage-Rich
NEC Corporation
Revision 7.0
– October 25, 2013
14
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
Memory Configuration Feature Comparison
See the table below for feature comparisons of memory configurations supported.
Independent
Channel
Memory
Sparing
Memory
Lockstep
Memory
Mirroring
Performance
Best
Better
Better
Good
Data Protection
No
Multiple single bit
error protection
No
Multiple single bit
and multi bit error
protection
Redundancy
No
Partly
No
Fully
Data Correction
ECC, x4 SDDC
ECC, x4 SDDC
ECC, x8 SDDC
ECC, x4 SDDC
Available Memory
Full physical
memory
3/4 physical memory
Full physical
memory
Half physical
memory
Available Memory
Channels
3
3
2
2
Notes
-
All DIMMs in the
system must be
identical.
Paired DIMMs must
be identical.
Paired DIMMs must
be identical.
3.1.1
Independent Channel Configuration
Available slots: 6 per processor
Category
Product Name / Description
Part Number
Unbuffered DIMM
(UDIMM)
4GB DDR3-1333 UNB Memory Kit
1x 4GB Unbuffered ECC DIMM, DDR3L-1333(PC3L-10600)
NOTE:
-
The x4 SDDC is not supported.
N8102-455F
Registered DIMM
(RDIMM)
2GB DDR3-1600 REG Memory Kit
1x 2GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
NOTE:
-
The x4 SDDC is not supported.
N8102-488F
4GB DDR3-1600 REG Memory Kit
1x 4GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
N8102-489F
8GB DDR3-1600 REG Memory Kit
1x 8GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
N8102-490F
16GB DDR3-1600 REG Memory Kit
1x 16GB Registered ECC DIMM, DDR3L-1600(PC3L-12800)
N8102-491F
32GB DDR3-1066 REG Memory Kit
1x 32GB Registered ECC DIMM, DDR3L-1066(PC3L-8500)
N8102-492F
NOTE:
Minimum one memory kit per processor must be installed.
It is recommended to install memory kits in multiples of three for triple-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 are not supported
