Owners manual

Hardware options installation 68
Item
Description
Definition
2R = Dual-rank
4R = Quad-rank
8R = Octal-rank
3
Data width on DRAM
x4 = 4-bit
x8 = 8-bit
4
Memory generation
DDR4
5
Maximum memory speed
2400 MT/s
6
CAS latency
P=15
T=17
7
DIMM type
R = RDIMM (registered)
L = LRDIMM (load reduced)
For more information about product features, specifications, options, configurations, and compatibility,
see the product QuickSpecs on the Hewlett Packard Enterprise website (http://www.hpe.com/info/qs).
NVDIMM identification
To determine NVDIMM characteristics, see the full product description as shown in the following example:
Item
Description
Definition
1
Capacity
8GB
2
Rank
1R (Single rank)
3
Data width
x4 (4 bit)
4
Memory type
NVDIMM-N
5
Maximum memory speed
2133 MT/s
6
Speed grade
P (CAS 15-15-15)
7
DIMM type
RDIMM (registered)
8
Reserved
—
For more information about product features, specifications, options, configurations, and compatibility,
see the product QuickSpecs on the Hewlett Packard Enterprise website (http://www.hpe.com/info/qs).
Memory configurations
IMPORTANT: When NVDIMMs are installed on a server, only the Advanced ECC AMP
mode is supported.