Memory
16 independent channels with interleaved feature
8 channels per CPU, 2 DIMM per channel(DPC)
Slot 1–16: CPU 1
Slot 17–32: CPU 2
Note
The operating speed and total memory capacity depend on the processor model and UEFI settings.
256 GB 3DS RDIMMs are only available on 8 x 2.5'' models, 16 x 2.5'' models, and 8 x 3.5'' models.
Check DIMM population rules for detailed DIMM mixing and population rules.
For a list of supported DIMMs, see Lenovo ServerProven website.
| Parameter | RDIMM | Performance+ RDIMM | 3DS RDIMM |
| Generation | TruDDR4 | TruDDR4 | TruDDR4 |
| Rank | 2R | 2R | 2S2R/2S4R |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz/2933 MHz |
| Voltage | 1.2 V | 1.2 V | 1.2 V |
| DRAM data width | x4/x8 | x4/x8 | x4 |
| DRAM density | 8 Gbit/16 Gbit | 16 Gbit | 16 Gbit |
| DIMM capacity | 16 GB/32 GB/64 GB | 32 GB/64 GB | 128 GB/256 GB |
| Maximum memory |
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