CONFIGURATION GUIDE
–
NEC Express5800/A2040d, A2020d, A2010d, A1040d
NEC Corporation
Rev.2.0
– Oct. 2017
27
3.2.4
Memory Mirroring
No. of Available Slot: Max. 2 sets (8x DIMMs) per Memory Riser Card
Product Name/Description
Part Number
32GB MEM for Memory Mirroring (4 x 8GB RDIMM)
4x 8GB Registered DIMM, DDR4-2133(PC4-2133), ECC
NE3302-H060F
64GB MEM for Memory Mirroring (4 x 16GB RDIMM)
4x 16GB Registered DIMM, DDR4-2133(PC4-2133), ECC
NE3302-H065F
128GB MEM for Memory Mirroring (4 x 32GB RDIMM)
4x 32GB Registered DIMM, DDR4-2133(PC4-2133), ECC
NE3302-H062F
NOTE:
Not-preinstalled. Need to order at least 1 set (4x DIMM)
RDIMM and LRDIMM cannot be mixed in a server.
Memory Clock
DDR4 Memory clock depends on CPU and Memory Configuration. Please refer to below for the maximum
clock. Please refer to
“Memory” of “Reference” section for the details, too.
CPU
Memory
Configuration/Mode
Memory Type
No. of DIMMs
(per 1CPU)
Clock
1.2V
Xeon®
E7-8890v4
E7-8880v4
E7-8867v4
E7-8891v4
E7-8893v4
Independent Mode
RDIMM(8, 16,32GB)
Up to 16
1600 MHz
LRDIMM (32,64GB)
Up to 16
1600 MHz
Lockstep Mode
RDIMM (8, 16,32GB)
Up to 16
1866 MHz
LRDIMM (32,64GB)
Up to 16
1866 MHz
Xeon®
E7-8855v4
E7-4820v4
E7-4809v4
Independent Mode
RDIMM(8,16,32GB)
Up to 16
1333 MHz
Lockstep Mode
RDIMM(8,16,32GB)
Up to 16
1866 MHz