DIMM Rank Classification Labels

DIMMs come in a variety of ranks: single, dual, or quad. Each DIMM is shipped with a label identifying its rank classification. The following table identifies the label corresponding to each DIMM rank classification:

Table 10-1 DIMM Rank Classification Labels

Rank Classification	Label
Quad-rank LRDIMM	4Rx4
Dual-rank RDIMM	2Rx4
Single-rank RDIMM	1Rx4