DDR5 Small Outline Dual Inline Memory Module with 4-bit ECC (EC4 SODIMM) Raw Card D Annex

JESD309-S4-RCE

Published: Mar 2025

This annex, JESD309-S4-RCD, DDR5 Small Outline Dual Inline Memory Module with 4-bit ECC (EC4 SODIMM) Raw Card D Annex, defines the design detail of x8, 1 Package Rank DDR5 SODIMM with 4-bit ECC. The common feature of DDR5 SODIMM such as the connector pinout can be found in the JESD309, DDR5 Small Outline Dual Inline Memory Module (SODIMM) Common Standard.

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

Free download. Registration or required.

Document Information

Standards & Documents Assistance:

Published JEDEC documents on this website are self-service and searchable directly from the homepage by keyword or document number. 

Click here for website or account help.

To report potential errors or make suggestions for improvement to a published JEDEC standard, please use this form.  JEDEC does not accept requests for implementation assistance or interpretation of documents. For other inquiries related to standards & documents email Angie Steigleman.