Owners Manual
Table 38. DIMM conguration specications
DIMM type RDIMM LRDIMM 3DS LRDIMM NVDIMM
RDIMM O X X O
LRDIMM X O X O
3DS LRDIMM X X O O
NVDIMM O O O X
Table 39. 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
Prerequisites
CAUTION
: Many repairs may only be done by a certied 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.
WARNING
: The memory modules are hot to touch for some time after the system has been powered down. Allow the memory
modules to cool before handling them. Handle the memory modules by the card edges and avoid touching the components or
metallic contacts on the memory module.
CAUTION: To ensure proper system cooling, memory module blanks must be installed in any memory socket that is not occupied.
Remove memory module blanks only if you intend to install memory modules in those sockets.
Steps
1 Pull the air bae tab to release it from the underneath the DIMM socket lever.
2 Remove the air bae.
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Installing and removing server components