Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 333

Main memory
– Supports DDR5 up to 4800 MT/s
– Up to 4 TB / 2 CPUs using DDR5 DIMM (256 GB x32)
– Error detection and correction (ECC)
– Single Device Data Correction (SDDC)
– ADDDC Sparing (Virtual lockstep mode)
– Channel mirroring within a socket
– Hardware memory scrubbing
– Lockstep mode is not supported by BIOS on this platform
– Rank Level Sparing is not supported
Figure 194: Memory slots of CPU 1
Memory configuration for 2DPC configuration
– Eight channel DDR5 memory architecture (per CPU), 2 DIMM slots per
channel
– 32 memory DIMM sockets (16 per CPU)
– Supports non-3DS RDIMM, 3DS RDIMM and 9x4 RDIMM
– UDIMM, SODIMM and LRDIMM are not supported
– Supports DDR5 up to 4800 MT/s
– Up to 8 TB / 2 CPUs using DDR5 DIMM (256 GB x32)
– Error detection and correction (ECC)
RX2540 M7 Upgrade and Maintenance Manual 333