Item Description Example
1 Capacity
8 GB
16 GB
32 GB
64 GB
128 GB
256 GB
2 Rank
1R = Single rank
2R = Dual rank
4R = Quad rank
8R = Octal rank
3 Data width on DRAM
x4 = 4-bit
x8 = 8-bit
4 Memory generation
PC4 = DDR4
5 Maximum memory speed
3200 MT/s
6 CAS latency
AA = CAS 22-22-22
AA = CAS 26-22-22 (for 3DS LRDIMM)
7 DIMM type
R = RDIMM (registered)
L = LRDIMM (load reduced)
For more information about product features, specifications, options, configurations, and compatibility, see the HPE DDR4
SmartMemory QuickSpecs on the Hewlett Packard Enterprise website (https://www.hpe.com/support/
DDR4SmartMemoryQS).
DIMM slot locations
DIMM slots are numbered sequentially (1 through 16) for each processor. The supported AMP modes use the letter
assignments for population guidelines.
22
Component identification
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