DDR5 Unbuffered Dual Inline Memory Module with 4-bit ECC (EC4 UDIMM) Raw Card D Annex

JESD308-U4-RCD

Published: Mar 2025

This annex JESD308-U4-RCD, DDR5 Unbuffered Dual Inline Memory Module with 4-bit ECC (EC4UDIMM) Raw Card D Annex defines the design detail of x8, 1 Package Rank DDR5 UDIMM with 4-bit ECC. The common feature of DDR5 UDIMM such as the connector pinout can be found in the JESD308, DDR5 Unbuffered Dual Inline Memory Module (UDIMM) Common Standard.

Committee(s): JC-45, JC-45.3

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