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Guide › Glossary › DDR5

DDR5 · double data rate 5 (SDRAM)

The current socketed commodity DRAM generation used for host memory; it competes with HBM for the same DRAM wafer supply, so HBM demand raises its price.

Current numbers

~4–5× → ~1–2×HBM3E price premium over server DDR5 per bit, narrowing by end-2026 (TrendForce forecast)as of 2026-01 · register ↗
~3:1 HBM3E-to-DDR5 supply trade ratioMicron HBM3E-to-DDR5 capacity-conversion trade ratio, the structural driver of DRAM crowd-outas of 2025-03-20 · register ↗
192 cores / 500 WAMD EPYC 9965 (Turin) host CPU with DDR5-6400; Intel Xeon 6 with up to 128 P-cores and MRDIMM-8800as of 2025 · register ↗

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