Dimm Label Identification - Hitachi Advanced Server HA810 G2 User Manual

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.
Item
1 Capacity
2 Rank
3 Data width on DRAM
4 Memory generation
5 Maximum memory speed
6 CAS latency
7 DIMM type
Description
Hitachi Advanced Server HA810 G2 User Guide
Examples
8 GB
16 GB
32 GB
64 GB
128 GB
256 GB
1R = Single rank
2R = Dual rank 4R = Quad rank
8R = Octal rank
x4 = 4-bit
PC4 = DDR4
3200 MT/s
AA = CAS 22-22-22
AA = CAS 26-22-22 (for 3DS LRDIMM)
R = RDIMM (registered)
L = LRDIMM (load reduced)
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