Hitachi Advanced Server HA820 G2 User Guide 25
Item Description Example
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 R = RDIMM (registered)
L = LRDIMM (load reduced)
Intel
Optane
persistent memory 200 series for label identification