DDR5 Registered Dual Inline Memory Module (RDIMM) Common Standard

JESD305A

Published: Feb 2025

This standard defines the electrical and mechanical requirements for 288-position, 1.1 Volt (VDD and VDDQ), DDR5 Registered (RDIMM), Double Data Rate (DDR), Synchronous DRAM Dual In-Line Memory Modules (DIMM). These Registered DDR5 SDRAM DIMMs are intended for use in server, workstation, and database environments.

Committee(s): JC-45, JC-45.1

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