ItemItem DescriptionDescription ExampleExample
1 Capacity 8 GB
16 GB
32 GB
64 GB
128 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
x16 = 16-bit
4 Memory generation PC4 = DDR4
5 Maximum memory speed 2133 MT/s
2400 MT/s
2666 MT/s
2933 MT/s
6 CAS latency P = CAS 15-15-15
T = CAS 17-17-17
U = CAS 20-18-18
V = CAS 19-19-19 (for RDIMM, LRDIMM)
V = CAS 22-19-19 (for 3DS TSV LRDIMM)
Y = CAS 21-21-21 (for RDIMM, LRDIMM)
Y = CAS 24-21-21 (for 3DS TSV LRDIMM)
7 DIMM type R = RDIMM (registered)
L = LRDIMM (load reduced)
E = Unbuffered ECC (UDIMM)
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/DDR4SmartMemoryQShttps://www.hpe.com/support/DDR4SmartMemoryQS).
Processor, heatsink, and socket componentsProcessor, heatsink, and socket components