The
PowerEdgeR7525 system supports the following memory specifications for optimized operation.
Table 1. Memory specificationsThe table below shows the memory specifications for the
PowerEdgePowerEdgeR7525 system:
DIMM type
Rank
Capacity
DIMM rated voltage and speed
Operating Speed on AMD EPYC™ processor
1 DIMM per channel (1DPC)
2 DIMMs per channel (2DPC)
RDIMM
1R
8 GB
DDR4 (1.2V), 3200 MT/s
3200 MT/s
2933 MT/s
2R
16 GB, 32 GB, 64 GB
DDR4 (1.2V), 3200 MT/s
3200 MT/s
2933 MT/s
LRDIMM
4 R
128 GB
DDR4 (1.2 V), 3200 MT/s
3200 MT/s
2933 MT/s
8R
128 GB
DDR4 (1.2V), 2666 MT/s
2666 MT/s
2666 MT/s
8R
128 GB
DDR4 (1.2V), 3200 MT/s
3200 MT/s
2933 MT/s
NOTE The older 32 GB capacity RDIMM memory with x4 data width and 8Gb DRAM density cannot be mixed with the newer 32GB capacity RDIMM memory with x8 data width and 16Gb DRAM density in the same AMD EPYC™ processor unit.
NOTE The older 128 GB capacity LRDIMM memory at 2666 MT/s speed cannot be mixed with the new 128 GB capacity LRDIMM memory at 3200 MT/s speed.
Table 2. Memory module socketsThe table below shows the memory module sockets for the
PowerEdgeR7525 system:
Memory module sockets
Speed
32, 288-pin
3200 MT/s, 2933 MT/s, 2666 MT/s
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