Glossary

DDIMM

Differential DIMM, IBM's buffered DDR5 memory module design used across every Power 11 model for improved bandwidth and reliability over standard DIMMs.

DDIMM capacity scales from 512 GB across 4 slots on the entry S1112 up to 64 TB total across 64 slots on a dual-node E1180.

Related Terms

Power 11

IBM's 2025-generation Power processor and server family, spanning the entry S1112 through the flagship E1180, built around three pillars IBM calls Trusted, Autonomous, and Modern.

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