HP ProLiant DL345 Gen10 Plus, Maintenance And Service Manual

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DIMM label identification DIMM label identification
To determine DIMM characteristics, see the label attached to the DIMM. The information in this section helps you to use the label to
locate specific information about the DIMM.
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
https://www.hpe.com/support/DDR4SmartMemoryQS).
Item Item Description Description Example 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 E = Unbuffered ECC (UDIMM)
R = RDIMM (registered)
L = LRDIMM (load reduced)
DIMM label identification 181