DIMM identification
To determine DIMM characteristics, see the label attached to the DIMM and refer to the following illustration and table.
| Item | Description | Definition |
|---|---|---|
| 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 |
| 4 | Memory generation | DDR4 |
| 5 | Maximum memory speed |
2133 MT/s 2400 MT/s |
| 6 | CAS latency |
P=15-15-15 T=17-17-17 U=20-18-18 |
| 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.