Owners Manual

Table 39. Memory conguration specications
Processor Number of DIMMS
Maximum system capacity Reliability, availability, and serviceability
(RAS) features
Dual processor 16 16
Single processor 8 8
Sample memory congurations
The following tables show sample memory congurations for two and four processor congurations that follow the appropriate memory
guidelines.
NOTE: 1R, 2R, 4R, and 8R in the following tables indicate single, dual, quad, and octal rank DIMMs.
Table 40. DIMM conguration specications
DIMM type RDIMM LRDIMM 3DS LRDIMM NVDIMM
RDIMM
LRDIMM
3DS LRDIMM
NVDIMM
Table 41. DIMM minimum population requirements
DIMM type CH0 CH1 CH2 CH3 CH4 CH5
D0 (A1) D1 (A7) D0 (A2) D0 (A3) D0 (A4) D1 (A8) D0 (A5) D0 (A6)
1LM DDR4 DRE DO DRE DRE DO DO DO DO
1LM DDR4 DR NR DO DO DR NR DO DO
DR: DDR4 required.
DRE: DDR4 required. But plugging in either one slot is allowed. Then the other 2 slots become DDR4 optional.
DO: DDR4 optional.
NR: NVDIMM required.
NO: NVDIMM optional.
Removing memory module
CAUTION
: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
1 Ensure that you read the Safety instructions.
2 Complete the procedure listed in Before working inside your system.
Installing and removing server components
51