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Dell Precision 7920 Tower Owner's Manual

PDF

Memory specifications

Features
Specifications
Type
DDR4 LRDIMM/RDIMM ECC
Speed
  • 2666 MHz (Discontinued on system configurations purchased after October 2020)
  • 2933 MHz
  • 3200 MHz
NOTE:Computer configurations offered with 2933 MHz RDIMMs operating with Sky Lake processors will operate at 2666 MHz.
NOTE:Computer configurations offered with 3200 MHz RDIMMs operating with Cascade Lake processors will operate at 2933 MHz.
Connectors
24 DIMM Slots (12 per CPU)
DIMM capacities
  • 128 GB per slot 2666 MHz DDR4
  • 64 GB per slot 2933 MHz DDR4
  • 128 GB per slot 3200 MHz DDR4
Minimum memory
16 GB (2x8 GB) i.e. 2 DIMMs per CPU
Maximum memory
  • 3072 GB with 2666 MHz and 3200 MHz memory
  • 768 GB with 2933 MHz memory
NOTE:Intel Optane persistent memory (PMem) is supported on this system.

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