DIMM label identification
Item | Description | Example |
---|---|---|
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/DDR4SmartMemoryQS).